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Fundamental Concept
Calculator Fields
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COVID-19 Airborne Risk Calculator
Room Area
Please provide a valid Room Area.
m
2
Ceiling Height
m
Room Volume
m
3
Exposure Time
hours
Clean Airflow
l/s
Air Changes / hour
hr
-1
Humidity
%
Number of Susceptible People
*persons
Infected Individual
Susceptible Person
Pathogen Analysed
SARS-COV-2 (Original Variant)
SARS-COV-2 (Delta Variant)
SARS-COV-2 (Omicron BA.1 Variant)
SARS-COV-2 (Omicron BA.2 Variant)
Physical Activity Level
Resting
Standing
Light Exercise
Heavy Exercise
Resting
Standing
Light Exercise
Heavy Exercise
Vocal Activity Level
Oral Breathing
Speaking
Loudly Speaking
Mask Wearing Strategy
No Mask, or N95 mask with exhalation valve
Default value for general population - eg cloth mask
Well fitted N95 mask
Well fitted Surgical Mask
Face Shields without a mask
No Masks
Cloth Masks
Well fitted N95 masks
Face Shields without a mask
Calculate
Airborne Transmission risk
Individual Risk
%
of a single person being infected
Max Occupancy
Maximum number of susceptible occupants before it is likely that a Covid case will arise.
Probable Number of cases
Probable Number of Covid cases arising during event.
Please see
help page
for disclaimers and assumptions
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