Video: When do the infected become infectious?
The danger posed by a person infected with COVID-19 doesn't begin the exact moment a few virus particles enter their system, so when do they start to be a health risk to those around them?
Penn State Professor Nita Bharti talks about incubation periods, latency periods, and what they mean for people who have been exposed.
Provided by
Pennsylvania State University
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Video: When do the infected become infectious? (2020, May 15)
retrieved 8 May 2024
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