… vaccine against laboratory-confirmed Covid-19 and safety. … syndrome coronavirus 2 (SARS-CoV-2)
infection and Covid-19 … Safe and effective prophylactic vaccines are urgently needed …

… vaccine efficacy against laboratory-confirmed Covid-19 and safety, which were both
evaluated through 6 months after vaccination… Vaccine efficacy against Covid-19 was 95%. …

… Covid-19–positive patients in whom severe disease developed to assess vaccine protection
against severe Covid-19. … reducing the chance that any Covid-19 symptom will develop and …

… of COVID-19 vaccines. Among these, the COVID-19 messenger RNA (mRNA) vaccine has
… -world data of COVID-19 mRNA vaccines as well as mRNA technology. Current challenges …

… BNT162b2 is highly efficacious against COVID-19 and is currently … vaccine efficacy (VE)
against laboratory-confirmed COVID-19 and safety data, both up to 6 months post-vaccination…

… In this study, we estimated vaccine effectiveness against … mRNA-1273, or ChAdOx1 nCoV-19
vaccine and after homologous or heterologous booster doses with the same three vaccines…

… test for SARS-CoV-2 and at least one Covid-19–like symptom. Controls were defined on
the … persons with Covid-19, we estimated vaccine effectiveness for partial vaccination (assessed …

… At the time of drafting this article, the efficacy of COVID-19 mRNA vaccines against novel
mutant strains of SARS-CoV-2 remains unknown and is subject for further investigation. …

… In this study, we estimated that the BNT162b2 mRNA COVID-19 vaccine is as effective for
pregnant women as previously reported for the general population during the same time period…

… , nucleoside-modified mRNA vaccine for the prevention of the novel coronavirus disease
2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) …