Potential airborne transmission of SARS-COV-2 through bathroom ventilation ducts associated with an outbreak in a residential building in Santander, Spain, 2020
Fig 18
Probability of infection on the 2nd, 3rd, and 4th floors.
Panels (a) through (c) correspond to Bathroom fan simulations Cases 10 through 12. Five infected individuals were in Room A, and one infected individual was in Bath A, on the 3rd floor.