People who have recovered from Covid-19 may have antibodies only for two to three months, said a study published Thursday in Nature Medicine.
However, the conclusions might not necessarily mean that a recovered person can get reinfected, stated the authors.
The limited findings offer clues to one of the biggest questions about Covid recovery, vaccination, and serological surveys.
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The Chinese study also found that asymptomatic individuals have less antibodies than symptomatic ones, a fact that could have significant bearing on vaccines.
The published paper in Nature
https://www.nature.com/articles/s41591-020-0965-6
