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 Jan 10;9:801763. doi: 10.3389/fpubh.2021.801763

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

Copyright © 2022 Li, Li, Zou, Liu, Li, Zhuang, Shen and Zhang.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

PMC Copyright notice

Model calibration and estimation of vaccine effectiveness on the variant by daily COVID-19 cases, deaths, vaccination, and proportion of the dominant variant (B.1.1.7) in the US. (A) Model calibration based on 15-month daily reported COVID-19 cases in the US, the blue area denotes the 95% confidence interval, the black dash-dotted and dotted lines denote the beginning date of vaccination and reporting the variant, the green and cyan dashed lines denote the daily reported cases of wild type and the variant. (B) Model calibration based on 15-month daily reported COVID-19 deaths in the US. (C) Reported and model-fitted proportion of the variant (of all reported cases) in the US. (D) Reported and model-fitted vaccination coverage (≥1 doses) in the US.