Just how does the virus that causes COVID-19 spread from one person to another? To help find out, people infected with the new coronavirus take turns sitting in a chair and putting their faces into the big end of a large cone that sucks up everything that comes out of their mouths and noses for analysis.
Scientists disagree about whether aerosols are contributing to the spread of the disease, but even those who warn about aerosols say current recommendations make sense.
Wearing a mask is still important, and make sure it fits snugly. Keep washing those hands diligently. And again, staying farther apart is better than being closer together. Avoid crowds, especially indoors.
Additional recommendations align with previous guidance, but suggest greater ventilation. Spread is less likely outdoors than indoors, for example.
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