diff --git a/cara/montecarlo.py b/cara/montecarlo.py
index 6f5f7484..7818ad5b 100644
--- a/cara/montecarlo.py
+++ b/cara/montecarlo.py
@@ -246,7 +246,7 @@ class MCConcentrationModel:
 
     def infectious_virus_removal_rate(self, time: float) -> float:
         # Particle deposition on the floor
-        vg = 1 * 10 ** -4
+        vg = 1.88 * 10 ** -4 # new value different from initial CARA model (see paper)
         # Height of the emission source to the floor - i.e. mouth/nose (m)
         h = 1.5
         # Deposition rate (h^-1)