"Ota, Miyo" . "PMC7186928" . . "32303697" . . "Medline; PMC" . "Nat Rev Immunol" . . "10.1038/s41577-020-0316-3" . . "32303697" . . . "2020-04-17"^^ . "Will we see protection or reinfection in COVID-19?" . "no-cc" . . .