_:b57179267 "T058" . _:b57179268 _:b57179269 . _:b57179266 . _:b57179266 "0.84"^^ . _:b57179269 . _:b57179267 "C0019700" . _:b57179266 . _:b57179268 . _:b57179269 "Seroprevalence" . _:b57179266 _:b57179268 . _:b57179266 . _:b57179266 _:b57179267 .