Researchers visualized and measured the flow field of aerosol particles derived from exhaled air and examined the risk of viral exposure during face-to-face encounters, such as while walking, jogging, running, or sprinting. The results showed that the number of aerosol particles during face-to-face encounters peaked within 5 seconds after the encounter and rapidly declined thereafter.
from Latest Science News -- ScienceDaily https://ift.tt/FD8ZckV
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