Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(A) Local reactions and (B) systemic events occurring within 7 days after receipt of dose 4 with bivalent BNT162b2. Data are for the safety population (Supplementary Table 2). Severity grading for each local reaction and systemic event is provided in Supplementary Table 1. Error bars represent 95% CIs and numbers above the error bars indicate the percentage of participants in each group reporting the specified local reaction or systemic event rounded to whole numbers.
