How Coronavirus Spreads through the Air: What We Know So Far
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Despite the easing of lockdowns, questions remain about whether the COVID-19 virus is airborne. The term refers to the transmission of a pathogen through tiny respiratory droplets that can remain suspended in the air. Previous deadly coronaviruses such as SARS and MERS have been hypothesized to spread through aerosols, but much remains unknown about the new coronavirus, SARS-CoV-2, and its infectiousness. Research suggests that the virus can exist as an aerosol in healthcare settings, but it is unclear whether it is infectious and how much is needed to make a person sick. Understanding these factors is essential, particularly as asymptomatic people can spread the virus.
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Date:
2020-05-12
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