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A member asked:
Can someone be contagious immediately after coming into contact with someone diagnosed with coronavirus? how long does it take to become contagious with covid?
A doctor has provided 1 answer
COVID transmission: Brand new research shows that people become infectious 2-5 days after exposure and symptoms start 2-4 days after that. These are averages; the exact times vary pretty widely. The main point is that transmission starts before symptoms begin. If you are close to someone who might have been exposed, play it safe and immediately do your best to isolate yourself from that person for 2 weeks.
Answered 12/24/2020
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