Persistence of neutralizing antibodies a year after SARS-CoV-2 infection in humans

“Abstract: Most subjects develop antibodies to SARS-CoV-2 following infection. In order to estimate the duration of immunity induced by SARS-CoV-2 it is important to understand for how long antibodies persist after infection in humans. Here, we assessed the persistence of serum antibodies following wild-type SARS-CoV-2 infection at 8 and 13 months after diagnosis in 367 individuals… We found that NAb [neutralizing antibodies] against the wild-type virus persisted in 89% and S-IgG in 97% of subjects for at least 13 months after infection.”