1.
medrxiv; 2021.
Preprint
in English
| medRxiv | ID: ppzbmed-10.1101.2021.12.15.21267805
ABSTRACT
Data obtained on SARS-CoV-2 variant Omicron suggest that Omicron poses an increased risk of symptomatic breakthrough infections in people who receive only 2 doses of mRNA-1273. Administration of a booster mRNA vaccine may substantially reduce this risk.