Removed unnecessary images and changed CARA name
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Luis Aleixo
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README.md
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README.md
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# CARA - COVID Airborne Risk Assessment
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# CAiMIRA - CERN Airborne Model for Risk Assessment
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CARA is a risk assessment tool developed to model the concentration of viruses in enclosed spaces, in order to inform space-management decisions.
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CAiMIRA is a risk assessment tool developed to model the concentration of viruses in enclosed spaces, in order to inform space-management decisions.
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CARA models the concentration profile of potential virions in enclosed spaces , both as background (room) concentration and during close-proximity interations, with clear and intuitive graphs.
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CAiMIRA models the concentration profile of potential virions in enclosed spaces , both as background (room) concentration and during close-proximity interations, with clear and intuitive graphs.
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The user can set a number of parameters, including room volume, exposure time, activity type, mask-wearing and ventilation.
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The report generated indicates how to avoid exceeding critical concentrations and chains of airborne transmission in spaces such as individual offices, meeting rooms and labs.
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@ -24,7 +24,7 @@ While the SARS-CoV-2 virus is in circulation among the population, the notion of
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Each event modelled is unique, and the results generated therein are only as accurate as the inputs and assumptions.
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## Authors
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CARA was developed by following members of CERN - European Council for Nuclear Research (visit https://home.cern/):
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CAiMIRA was developed by following members of CERN - European Council for Nuclear Research (visit https://home.cern/):
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Andre Henriques<sup>1</sup>, Luis Aleixo<sup>1</sup>, Marco Andreini<sup>1</sup>, Gabriella Azzopardi<sup>2</sup>, James Devine<sup>3</sup>, Philip Elson<sup>4</sup>, Nicolas Mounet<sup>2</sup>, Markus Kongstein Rognlien<sup>2,6</sup>, Nicola Tarocco<sup>5</sup>
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@ -37,9 +37,9 @@ Andre Henriques<sup>1</sup>, Luis Aleixo<sup>1</sup>, Marco Andreini<sup>1</sup>
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### Reference and Citation
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**For the use of the CARA web app**
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**For the use of the CAiMIRA web app**
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CARA – COVID Airborne Risk Assessment tool
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CAiMIRA – CERN Airborne Model for Indoor Risk Assessment tool
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[](https://doi.org/10.5281/zenodo.6520432)
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@ -60,35 +60,35 @@ https://doi.org/10.1016/j.buildenv.2022.109166
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A risk assessment tool which simulates the airborne spread of the SARS-CoV-2 virus for space managers.
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### CARA Expert App
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### CAiMIRA Expert App
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A tool to interact with various parameters of the CARA model.
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A tool to interact with various parameters of the CAiMIRA model.
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## Disclaimer
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CARA has not undergone review, approval or certification by competent authorities, and as a result, it cannot be considered as a fully endorsed and reliable tool, namely in the assessment of potential viral emissions from infected hosts to be modelled.
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CAiMIRA has not undergone review, approval or certification by competent authorities, and as a result, it cannot be considered as a fully endorsed and reliable tool, namely in the assessment of potential viral emissions from infected hosts to be modelled.
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The software is provided "as is", without warranty of any kind, express or implied, including but not limited to the warranties of merchantability, fitness for a particular purpose and non-infringement.
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In no event shall the authors or copyright holders be liable for any claim, damages or other liability, whether in an action of contract, tort or otherwise, arising from, out of or in connection with the software or the use or other dealings in the software.
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## Running CARA locally
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## Running CAiMIRA locally
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The easiest way to run a version of CARA Calculator is to use docker. A pre-built
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image of CARA is made available at https://gitlab.cern.ch/cara/cara/container_registry.
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In order to run cara locally with docker, run the following:
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The easiest way to run a version of CAiMIRA Calculator is to use docker. A pre-built
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image of CAiMIRA is made available at https://gitlab.cern.ch/cara/cara/container_registry.
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In order to run CAiMIRA locally with docker, run the following:
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$ docker run -it -p 8080:8080 gitlab-registry.cern.ch/cara/cara/calculator
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This will start a local version of CARA, which can be visited at http://localhost:8080/.
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This will start a local version of CAiMIRA, which can be visited at http://localhost:8080/.
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## Development guide
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CARA is also mirrored to Github if you wish to collaborate on development and can be found at: https://github.com/CERN/cara
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CAiMIRA is also mirrored to Github if you wish to collaborate on development and can be found at: https://github.com/CERN/cara
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### Installing CARA in editable mode
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### Installing CAiMIRA in editable mode
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```
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pip install -e . # At the root of the repository
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@ -53,11 +53,6 @@ p.notes {
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font-size: 13px;
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}
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#cara_logo {
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height: 150px;
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margin: 1%
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}
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#pdf_qrcode_aref {
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margin-right: 1%;
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width: 100pt;
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}
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.logo {
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height: 6em;
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height: 4em;
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}
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.logo_form {
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@ -10,16 +10,16 @@ This pandemic clearly raised increased awareness on airborne transmission of res
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Out of the main modes of viral transmission, the airborne route of SARS-CoV-2 seems to have a significant importance to the spread of COVID-19 infections world-wide, hence proper guidance to building engineers or facility managers, on how to prevent on-site transmission, is essential.<br>
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For information on the Airborne Transmission of SARS-CoV-2, feel free to check out the special issue on the Interface Focus journal from Royal Society publishing: <a href=https://royalsocietypublishing.org/toc/rsfs/2022/12/2>Interface Focus: Volume 12, Issue 2</a> and an CERN HSE Seminar: <a href=https://cds.cern.ch/record/2743403>https://cds.cern.ch/record/2743403</a>.<br>
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<br><br>
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<h1 class="paragraph-title">What is CARA?</h1><br>
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CARA stands for COVID Airborne Risk Assessment and was developed in the spring of 2020 to better understand and quantify the risk of long-range airborne spread of SARS-CoV-2 virus in workplaces.
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Since then, the model has evolved and now is capable of simulating the short-range component. CARA comes with different applications that allow more or less flexibility in the input parameters:
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<h1 class="paragraph-title">What is CAiMIRA?</h1><br>
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CAiMIRA stands for CERN Airborne Model for Indoor Risk Assessment and was initially developed as CARA - COVID Airborne Risk Assessment - in the spring of 2020 to better understand and quantify the risk of long-range airborne spread of SARS-CoV-2 virus in workplaces.
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Since then, the model has evolved and now is capable of simulating the short-range component. CAiMIRA comes with different applications that allow more or less flexibility in the input parameters:
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<ul>
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<li><a href='{{ calculator_prefix }}'>CARA calculator app</a></li>
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<li><a href='/expert-app'>CARA expert app</a></li>
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<li><a href='{{ calculator_prefix }}'>CAiMIRA calculator app</a></li>
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<li><a href='/expert-app'>CAiMIRA expert app</a></li>
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</ul>
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The mathematical and physical model simulate the airborne spread of SARS-CoV-2 virus in a finite volume, assuming a homogenous mixture and a two-stage exhaled jet model, and estimates the risk of COVID-19 airborne transmission therein. The results DO NOT include other known modes of SARS-CoV-2 transmission. Hence, the output from this model is only valid when the other recommended public health & safety instructions are observed, such as good hand hygiene and other barrier measures.<br>
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<p>The methodology, mathematical equations and parameters of the model are published here in the CARA paper: <a href="https://doi.org/10.1098/rsfs.2021.0076"> Modelling airborne transmission of SARS-CoV-2 using CARA: risk assessment for enclosed spaces</a>.</p>
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<p>The methodology, mathematical equations and parameters of the model are published here in the CARA paper: <a href="https://doi.org/10.1098/rsfs.2021.0076"> Modelling airborne transmission of SARS-CoV-2 using CAiMIRA: risk assessment for enclosed spaces</a>.</p>
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<p>The short-range component of the model was adapted from <i>Jia et al. (2022)</i> <a href="https://doi.org/10.1016/j.buildenv.2022.109166"> Exposure and respiratory infection risk via the short-range airborne route</a> .</p>
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The model used is based on scientific publications relating to airborne transmission of infectious diseases, virology, epidemiology and aerosol science. It can be used to compare the effectiveness of different airborne-related risk mitigation measures.
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@ -34,8 +34,8 @@ The methodology of the model is divided into five parts:
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<li>Estimating the probability of a COVID-19 infection (or secondary transmission) and the expected number of new cases arising from the event </li>
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</ol>
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<br>
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<h1 class="paragraph-title">What is the aim of CARA?</h1><br>
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Although the user is able to calculate the infection probability of a stand-alone event with a pre-defined set of protection measures, the main utility of CARA is to compare the relative impact of different measures and/or combination of measure. For example:
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<h1 class="paragraph-title">What is the aim of CAiMIRA?</h1><br>
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Although the user is able to calculate the infection probability of a stand-alone event with a pre-defined set of protection measures, the main utility of CAiMIRA is to compare the relative impact of different measures and/or combination of measure. For example:
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<ul>
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<li>Compare keeping a window slightly open vs one or two windows open entirely</li>
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<li>Compare opening one entire window every 2h for 10 min vs keeping half a window open all day</li>
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@ -4,7 +4,7 @@
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1.0">
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<title>Report | CARA (COVID Airborne Risk Assessment)</title>
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<title>Report | CAiMIRA (CERN Airborne Model for Indoor Risk Assessment)</title>
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<link rel="stylesheet" type="text/css" href="{{ calculator_prefix }}/static/css/report.css">
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<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
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@ -16,7 +16,7 @@
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<body id="body">
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<!-- MODEL REPR - Available in the developer tools once the report is generated. Useful to re-create the model using an interpreter that has CARA installed:
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<!-- MODEL REPR - Available in the developer tools once the report is generated. Useful to re-create the model using an interpreter that has CAiMIRA installed:
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{{ model_repr }}
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@ -28,7 +28,7 @@
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<a href="/" class="align-self-center"><img id="report_logo" src="/static/images/cara_logo.200x200.png" class="d-inline-block align-middle mr-3"></a>
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<div style="margin-right: -105px" class='align-self-center mr-auto'>
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<h2 class="header_text mb-0"><a href="{{ permalink.shortened }}" style="color: #2f4858">REPORT - {{ form.simulation_name }}</a></h2>
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<p class="mb-0" id="report_version"> Created {{ creation_date }} using CARA calculator version v{{ form.calculator_version }}</p>
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<p class="mb-0" id="report_version"> Created {{ creation_date }} using CAiMIRA calculator version v{{ form.calculator_version }}</p>
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</div>
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<!-- Export CVS Concentration Button and Print Report Button -->
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<button type="button" class="btn btn-outline-dark align-self-center" id="export-csv" data-toggle="modal" data-target="#modalCSV">Export Data</button>
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<h2 class="paragraph-title">Introduction</h2><br>
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<div>
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<p>
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CARA is a risk assessment tool developed to model the concentration of viruses in enclosed spaces, in order to inform space-management decisions.
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CAiMIRA is a risk assessment tool developed to model the concentration of viruses in enclosed spaces, in order to inform space-management decisions.
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It does this by simulating the airborne spread SARS-CoV-2 virus in a finite volume, assuming homogenous mixing for the long-range component and a two-stage jet model for short-range, and estimates the risk of COVID-19 airborne transmission therein.
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Please see the <a href="/about">About</a> page for more details on the methodology, assumptions and limitations of CARA.
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</p>
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<p>
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The full CARA source code can be accessed freely under an Apache 2.0 open source license from our <a href="https://gitlab.cern.ch/cara/cara">code repository</a>.
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The full CAiMIRA source code can be accessed freely under an Apache 2.0 open source license from our <a href="https://gitlab.cern.ch/cara/cara">code repository</a>.
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It includes detailed instructions on how to run your own version of this tool.
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</p>
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<br>
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<div>
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<h2 class="paragraph-title">Reference & Citation</h2><br>
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<p>
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<b>For use of the CARA model:</b><br>
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<b>For use of the CAiMIRA model:</b><br>
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<ul>
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<li> Henriques A, Mounet N, Aleixo L, Elson P, Devine J, Azzopardi G, Andreini M, Rognlien M, Tarocco N, Tang J. (2022).
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Modelling airborne transmission of SARS-CoV-2 using CARA: risk assessment for enclosed spaces.
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</li>
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</ul>
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</ul>
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<b>For use of the CARA web app:</b><br>
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<b>For use of the CAiMIRA web app:</b><br>
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<ul>
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<li>CARA – COVID Airborne Risk Assessment tool</li>
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<li>CAiMIRA – CERN Airborne Model for Indoor Risk Assessment tool</li>
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<a href="https://doi.org/10.5281/zenodo.6520432"><img src="https://zenodo.org/badge/DOI/10.5281/zenodo.6520432.svg" alt="DOI"></a><br>
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© Copyright 2020-2021 CERN. All rights not expressly granted are reserved.<br>
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Licensed under the Apache License, Version 2.0<br>
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<title>
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{% block title %}
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CARA | COVID Airborne Risk Assessment
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CAiMIRA | CERN Airborne Model for Indoor Risk Assessment
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{% endblock title %}
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</title>
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Apps
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</a>
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<ul class="dropdown-menu dropwown-navbar-colors text-right" style="min-width: 12rem;" aria-labelledby="navbarDropdown">
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<li><a href="{{ calculator_prefix }}" class="{{ "header-navbar nav-link active" if "calculator/" == active_page else "header-navbar nav-link" }}">CARA Calculator</a></li>
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<li><a href="{{ calculator_prefix }}" class="{{ "header-navbar nav-link active" if "calculator/" == active_page else "header-navbar nav-link" }}">COVID Calculator</a></li>
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<li><a href="{{ calculator_prefix }}/user-guide" style="margin-left: 2rem" class="{{ "header-navbar nav-link active" if "user-guide" in active_page else "header-navbar nav-link" }}">User Guide</a></li>
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<li><a href="/expert-app" class="{{ "header-navbar nav-link active" if "/expert-app" == active_page else "header-navbar nav-link" }}">Expert app (beta)</a></li>
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</ul>
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</li>
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</div>
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<div id="mobile_calculator_option">
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<li class="nav-link"><a href="{{ calculator_prefix }}" class="{{ "header-navbar nav-link active" if "calculator/" == active_page else "header-navbar nav-link" }}">CARA Calculator</a></li>
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<li class="nav-link"><a href="{{ calculator_prefix }}" class="{{ "header-navbar nav-link active" if "calculator/" == active_page else "header-navbar nav-link" }}">COVID Calculator</a></li>
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<li class="nav-link"><a href="{{ calculator_prefix }}/user-guide" class="{{ "header-navbar nav-link active" if "user-guide" in active_page else "header-navbar nav-link" }}">User Guide</a></li>
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</div>
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{% block covid_information%}
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policy issues. Any initiative is conducted on a best effort and as-is basis, without liability or
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warranty.</em></span></p>
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<p style="font-size:10px;">
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CARA is <a href="https://gitlab.cern.ch/cara/cara/-/blob/master/LICENSE" class="ext">Apache 2.0 licensed</a> open-source
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CAiMIRA is <a href="https://gitlab.cern.ch/cara/cara/-/blob/master/LICENSE" class="ext">Apache 2.0 licensed</a> open-source
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software developed at CERN.
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You can find the source code at <a href="https://gitlab.cern.ch/cara/cara">https://gitlab.cern.ch/cara/cara</a>,
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where we welcome contributions, feature requests and issue reports.
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This allows for:</p>
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<ul>
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<li>sharing reports by either scanning or clicking on the QR code to obtain a shareable link.</li>
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<li>easily regenerating reports with any new versions of the CARA model released in the future.</li>
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<li>easily regenerating reports with any new versions of the CAiMIRA model released in the future.</li>
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</ul>
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<br>
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<h1>Conclusion</h1>
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<div class="collapse show" id="collapseRules">
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<div class="card-body">
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<p class="card-text">
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Please ensure that this scenario conforms to current COVID-related <a href="https://hse.cern/covid-19-information"> Health & Safety requirements</a>, under the applicable COVID Scale and measures in force at the time of the CARA assessment.</strong> <br>
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Please ensure that this scenario conforms to current COVID-related <a href="https://hse.cern/covid-19-information"> Health & Safety requirements</a>, under the applicable COVID Scale and measures in force at the time of the CAiMIRA assessment.</strong> <br>
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The results of this simulation are colour coded according to the risk values authorized at CERN (approved in December 2020):
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</p><br>
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<div class="d-flex">
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{% block disclaimer %}
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{{ super() }}
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<p>
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At CERN, CARA is intended for Members of Personnel with roles related to Supervision, Health & Safety or Space Management, in order to simulate the concerned workplaces on CERN sites.
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At CERN, CAiMIRA is intended for Members of Personnel with roles related to Supervision, Health & Safety or Space Management, in order to simulate the concerned workplaces on CERN sites.
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</p>
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{% endblock disclaimer %}
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{% extends "base/index.html.j2" %}
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{% block cara_at_cern %}
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<h2 class="paragraph-title">CARA @ CERN</h2><br>
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<h2 class="paragraph-title">CAiMIRA @ CERN</h2><br>
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<div>
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<p>
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CARA has been developed by CERN with the intention of allowing members of personnel with roles related to supervision, health & safety or space management to simulate the concerned workplaces on CERN sites.
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A hosted <a href="{{ calculator_prefix }}">CERN version of the CARA Covid Calculator</a> is available on this site to members of the CERN personnel.
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CAiMIRA has been developed by CERN with the intention of allowing members of personnel with roles related to supervision, health & safety or space management to simulate the concerned workplaces on CERN sites.
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A hosted <a href="{{ calculator_prefix }}">CERN version of the CAiMIRA Covid Calculator</a> is available on this site to members of the CERN personnel.
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</p>
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</div>
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{% endblock cara_at_cern %}
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@ -25,10 +25,10 @@ We wish to thank CERN’s HSE Unit, Beams Department, Experimental Physics Depar
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## Disclaimer
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<p>
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CARA is a risk assessment tool developed to model the concentration of viruses in enclosed spaces, in order to inform space-management decisions.
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CAiMIRA is a risk assessment tool developed to model the concentration of viruses in enclosed spaces, in order to inform space-management decisions.
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</p>
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<p>
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CARA models the concentration profile of virions in enclosed spaces with clear and intuitive graphs.
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CAiMIRA models the concentration profile of virions in enclosed spaces with clear and intuitive graphs.
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The user can set a number of parameters, including room volume, exposure time, activity type, mask-wearing and ventilation.
|
||||
The report generated indicates how to avoid exceeding critical concentrations and chains of airborne transmission in spaces such as individual offices, meeting rooms and labs.
|
||||
</p>
|
||||
|
|
@ -54,7 +54,7 @@ We wish to thank CERN’s HSE Unit, Beams Department, Experimental Physics Depar
|
|||
Each event modelled is unique, and the results generated therein are only as accurate as the inputs and assumptions.
|
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</p>
|
||||
<p>
|
||||
CARA has not undergone review, approval or certification by competent authorities, and as a result, it cannot be considered
|
||||
CAiMIRA has not undergone review, approval or certification by competent authorities, and as a result, it cannot be considered
|
||||
as a fully endorsed and reliable tool, namely in the assessment of potential viral emissions from infected hosts to be modelled.
|
||||
</p>
|
||||
|
||||
|
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Loading…
Reference in a new issue