By Jacqueline Howard, CNN
Updated 11:07 AM ET, Wed February 24, 2021
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US passes 500,000 Covid-19 deaths
How antibodies protect us from virusesCNN01:37/01:37Now PlayingHow antibodies protect…
Source: CNNHow antibodies protect us from viruses01:37
(CNN)There’s new evidence that connects testing positive for Covid-19 antibodies from a prior infection with a significantly lower risk of becoming infected again in the future.
Covid-19 reinfection: What you need to know01:38A study, published in the journalJAMA Internal Medicineon Wednesday, found that people who tested positive for Covid-19 antibodies were at a decreased risk of coronavirus infection compared with those who tested negative for antibodies.”The results from the study are basically a 10-fold reduction, but I would have caveats around that. In other words, it could be an overestimate of the reduction. It could be an underestimate of the reduction,” said Dr. Douglas Lowy, principal deputy director…
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