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 25;12(1):e055968. doi: 10.1136/bmjopen-2021-055968

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

© Author(s) (or their employer(s)) 2022. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.

PMC Copyright notice

Cumulative coverage for the first dose of pertussis-containing vaccine for Albertan children who turned 3 months in (A) March 2019 and March 2020 and in (B) April 2019 and April 2020. Cumulative coverage for the second dose of pertussis-containing vaccine for Albertan children who turned 5 months in (C) March 2019 and March 2020 and in (D) April 2019 and April 2020. Cumulative coverage for the third dose of pertussis-containing vaccine for Albertan children who turned 7 months in (E) March 2019 and March 2020 and in (F) April 2019 and April 2020. Cumulative coverage for the fourth dose of pertussis-containing vaccine for Albertan children who turned 19 months in (G) March 2019 and March 2020 and in (H) April 2019 and April 2020. The 2019 and 2020 cohorts were followed until March 2020 and March 2021, respectively. Bars represent 95% CIs.