Potential airborne transmission of SARS-COV-2 through bathroom ventilation ducts associated with an outbreak in a residential building in Santander, Spain, 2020
Fig 16
Probability of infection on the 2nd, 3rd, and 4th floors.
Panels (a) through (c) correspond to window opening Cases 7 through 9. Five infected individuals were in Room A, and one infected individual was in Bath A, on the 3rd floor.