Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

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.

View full-text article in PMC

. 2022 Nov 29;10:100121. doi: 10.1016/j.lansea.2022.100121

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© 2022 The Author(s)

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

PMC Copyright notice

Fig. 1 — a: Effectiveness of two (•) and three (○) dose vaccination regimens against SARS-CoV-2 infection during delta-predominant period (Oct 1–Dec 31, 2021). ∗Age stratified vaccine effectiveness (VE) adjusted for gender and calendar time. b: Effectiveness of three (•) and four (○) dose vaccination regimens against SARS-CoV-2 infection during Omicron-predominant period (Feb 1–Apr 10, 2022). AZ = ChAdOx1 nCoV-19 (AstraZeneca), PFZ = BNT162b2 (Pfizer-BioNTech), Moderna = mRNA-1273 (Moderna), VE = vaccine effectiveness. ∗Age stratified VE adjusted for gender and calendar time. ∗VE by vaccine type adjusted for age, gender, calendar time and preceding vaccine series type.