Multiple media reports warned us that simply breathing the air around someone sick with the flu might cause us to become infected thanks to fine particle viral RNA. Researchers at the University of Maryland School of Public Health reported in the Proceedings of the National Academies of Sciences that fine aerosol particles collected from the air around patients infected with influenza contained detectable flu virus. Merely exhaling releases the virus into the air if someone is infected. This fascinating new research triggered social media alarm about the flu virus, but there might be even more to the story.
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