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“Lavatories are, unfortunately, ideal for the transmission of COVID-19. They are closed and poorly ventilated,” says Stephen Berger, M.D., an infectious disease expert and co-founder of GIDEON, the Global Infectious Diseases and Epidemiology Network.
“Urinals and sinks are crowded together, and partitions rarely extend upward to shield someone’s face. Although toilet stalls are isolated, droplets and aerosols will continue to linger there, several minutes after the last user has left,” he says.