Video: When do the infected become infectious?

Credit: CC0 Public Domain

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.

Credit: Pennsylvania State University

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Citation: Video: When do the infected become infectious? (2020, May 15) retrieved 6 July 2020 from
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