For many survivors of COVID-19, the silver lining of the grueling illness is the hope that they will have gained permanent immunity and can never contract the disease again. But new studies suggest this may not be the case and that immunity to the coronavirus may be short-lived.
A U.K. study published on July 11, which has not yet been peer-reviewed, found that antibodies may start to decline 20 to 30 days after the onset of COVID-19 symptoms and that detectable amounts of…
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