Created {{ creation_date }} using CAiMIRA calculator version v{{ form.calculator_version }}
The probability of infection is larger than above which signifies that the chosen number of infected occupants in the form was underestimated.
{% endif %}* The results are based on the parameters and assumptions published in the CARA publication: doi.org/10.1098/rsfs.2021.0076.
| Scenario | P(I) | Expected new cases |
|---|---|---|
| {{ scenario_name }} | {{ scenario_stats.probability_of_infection | non_zero_percentage }} | {{ scenario_stats.expected_new_cases | float_format }} |
Notes for alternative scenarios:
Simulation Name: {{ form.simulation_name }}
Room Number: {{ form.room_number }}
Virus variant: {% if form.virus_type == "SARS_CoV_2" %} SARS-CoV-2 (nominal strain) {% elif form.virus_type == "SARS_CoV_2_ALPHA" %} SARS-CoV-2 (Alpha VOC) {% elif form.virus_type == "SARS_CoV_2_BETA" %} SARS-CoV-2 (Beta VOC) {% elif form.virus_type == "SARS_CoV_2_GAMMA" %} SARS-CoV-2 (Gamma VOC) {% elif form.virus_type == "SARS_CoV_2_DELTA" %} SARS-CoV-2 (Delta VOC) {% elif form.virus_type == "SARS_CoV_2_OMICRON" %} SARS-CoV-2 (Omicron VOC) {% endif %}
Room Volume: {{ model.concentration_model.room.volume }} m³
Room Central Heating: {{ "On" if form.room_heating_option else "Off" }}
Geographic Location: {{ form.location_name }}
Nearest weather station: {{ form.nearest_weather_station()[1].strip().title() }}
Mechanical ventilation: {% if form.ventilation_type == "mechanical_ventilation" %} Yes
{% if form.mechanical_ventilation_type == "mech_type_air_supply"%} Air supply flow rate: {{ form.air_supply }} m³ / hour {% elif form.mechanical_ventilation_type == "mech_type_air_changes"%} Air changes per hour: {{ form.air_changes }} h⁻¹ {% endif %}
Natural ventilation: {% if form.ventilation_type == "natural_ventilation"%} Yes
Number of windows: {{ form.windows_number }}
Height of window: {{ form.window_height }} m
Window type: {% if form.window_type == "window_hinged" %} Top- or Bottom-Hung
Width of window: {{ form.window_width }} m
Opening distance: {{ form.opening_distance }} m
Windows open: {% if form.window_opening_regime == "windows_open_periodically" %} Periodically for {{ form.windows_duration | readable_minutes}} every {{ form.windows_frequency | readable_minutes}} {% elif form.window_opening_regime == "windows_open_permanently" %} Permanently {% endif %}
When using the natural ventilation option, air flows are calculated using averaged hourly temperatures for the region {{ form.location_name }}, based on historical data for the month selected.
{% else %} No {% endif %}HEPA Filtration: {{ 'Yes' if form.hepa_option else 'No' }}
HEPA amount: {{ form.hepa_amount }} m³ / hour
Number of attendees and infected people: {{ form.total_people }} in attendance, of whom {{ form.infected_people }} {{ "is" if form.infected_people == 1 else "are" }} infected.
Population in {{ form.location_name }}: {{ form.geographic_population }}
New reported cases in {{ form.location_name }} (7-day average): {{ form.geographic_cases }}
Confidence level: {{ conf_level }}
Activity type: {% if form.activity_type == "office" %} Office – typical scenario with all persons seated, speaking occasionally (speaking assumed for 1/3rd of the time). {% elif form.activity_type == "smallmeeting" %} Small meeting – typical scenario with all persons seated, one person speaking at a time. {% elif form.activity_type == "largemeeting" %} Large meeting – infected occupant(s) is standing and speaking 1/3rd of the time, while the other occupants are seated. {% elif form.activity_type == "callcentre" %} Call Centre = typical office-like scenario with all persons seated, all speaking continuously. {% elif form.activity_type == "controlroom-day" %} Control Room (Day Shift) = specific control room scenario, all persons seated, all speaking 50% of the time. {% elif form.activity_type == "controlroom-night" %} Control Room (Night Shift) = specific control room scenario with all persons seated, all speaking for 10% of the time. {% elif form.activity_type == "library" %} Library = Library scenario with all persons seated, breathing and not speaking. {% elif form.activity_type == "workshop" %} Workshop = assembly workshop environment, all persons doing moderate physical activity, speaking 50% of the time. {% elif form.activity_type == "training" %} Conference/Training – one person (the speaker/trainer) standing, talking, all others seated, talking quietly (whispering). It is assumed the speaker/trainer is the infected person, for the worst case scenario. {% elif form.activity_type == "lab" %} Laboratory = Lab or technical environment, all persons doing light physical activity, speaking 50% of the time. {% elif form.activity_type == "gym" %} Gym = For comparison only, all persons doing heavy physical exercise, breathing and not speaking. {% endif %}
Short-range interactions: {{ form.short_range_interactions|length }}
Exposed occupant(s) activity time:
Start time: {{ form.exposed_start | minutes_to_time }}
End time: {{ form.exposed_finish | minutes_to_time }}
Infected occupant(s) activity time:
Start time: {{ form.infected_start | minutes_to_time }}
End time: {{ form.infected_finish | minutes_to_time }}
Event for the month of {{ form.event_month }}
Exposed occupant(s):
{% endif %}Lunch break: {% if form.exposed_lunch_option%} Yes
Start time: {{ form.exposed_lunch_start | minutes_to_time }}
End time: {{ form.exposed_lunch_finish | minutes_to_time }}
Coffee breaks: {{ form.exposed_number_of_coffee_breaks() }} {% if form.exposed_number_of_coffee_breaks() > 0 %} each of {{ form.exposed_coffee_duration }} minutes duration
Coffee break {{ loop.index }}: Start: {{ start_time | minutes_to_time }}    End: {{ end_time | minutes_to_time }}
Infected occupant(s):
Lunch break: {% if form.infected_lunch_option%} Yes
Start time: {{ form.infected_lunch_start | minutes_to_time }}
End time: {{ form.infected_lunch_finish | minutes_to_time }}
Coffee breaks: {{ form.infected_number_of_coffee_breaks() }} {% if form.infected_number_of_coffee_breaks() > 0 %} each of {{ form.infected_coffee_duration }} minutes duration
Coffee break {{ loop.index }}: Start: {{ start_time | minutes_to_time }}    End: {{ end_time | minutes_to_time }}
Masks worn at workstations? {{ 'Yes' if form.mask_wearing_option == "mask_on" else 'No' }}
Mask type: {{ form.mask_type }}
Disclaimer: