CDC says coronavirus can spread through airborne transmission
The danger of airborne transmission beyond 6 feet largely occurs indoors in poorly ventilated space, which is part of the reason why outdoor activities are considered safer.
"CDC continues to believe, based on current science, that people are more likely to become infected the longer and closer they are to a person with COVID-19," the agency said in a statement.
特に新しい知見とはいえまい。
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