
Past COVID infection provides at least 5 months of immunity, study shows
Researchers noted that someone who's been infected may still be able to carry the virus and pass it on to others.
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Researchers noted that someone who's been infected may still be able to carry the virus and pass it on to others.
Full ArticlePfizer Is Studying the Effects of a Third COVID-19 Vaccine Dose.
Two doses of Pfizer's COVID-19 vaccine
have proven to be..
Research shows people who recover from COVID-19 could have long-lasting immunity. The report is in the journal "Nature", and it..