Decreased infectivity following BNT162b2 vaccination: A prospective cohort study in Israel

Autor: Amit Huppert, Arnon Afek, Yaniv Lustig, Galia Rahav, Arnona Ziv, Sharon Amit, Eyal Leshem, Yitshak Kreiss, Carmit Rubin, Ilya Novikov, Ram Doolman, Rebecca Kahn, Gili Regev-Yochay, Moriah Bergwerk, Irena Gimpelevich, Carmit Cohen, Marc Lipsitch
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: The Lancet Regional Health. Europe, Vol 7, Iss, Pp 100150-(2021)
The Lancet Regional Health. Europe
ISSN: 2666-7762
Popis: Background: BNT162b2 was shown to be 92% effective in preventing COVID-19. Prioritizing vaccine rollout, and achievement of herd immunity depend on SARS-CoV-2 transmission reduction. The vaccine's effect on infectivity is thus a critical priority. Methods: Among all 9650 HCW of a large tertiary medical center in Israel, we calculated the prevalence of positive SARS-CoV-2 qRT-PCR cases with asymptomatic presentation, tested following known or presumed exposure and the infectious subset (N-gene-Ct-value
Databáze: OpenAIRE