_:b57230213 "protective efficacy" . _:b57230212 _:b57230213 . _:b57230210 "0.81"^^ . _:b57230212 . _:b57230210 . _:b57230213 . _:b57230211 "T062" . _:b57230210 . _:b57230210 _:b57230212 . _:b57230210 . _:b57230210 _:b57230211 . _:b57230211 "C1707887" .