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abstractpubmed· Abstract 2020· item PMID:33089772
Serologic Responses in Healthy Adult with SARS-CoV-2 Reinfection, Hong Kong, August 2020. In March 2020, mild signs and symptoms of coronavirus disease developed in a healthy 33-year-old man in Hong Kong. His first infection did not produce virus neutralizing antibodies. In August, he had asymptomatic reinfection, suggesting that persons without a robust neutralizing antibody response might be at risk for reinfection.