AUTHOR=Zhang Shuo , Yang Zhen , Chen Zhen-Lin , Yue Shi-Jun , Zhang Sai , Tang Yu-Ping 

TITLE=Why does COVID-19 continue to spread despite mass vaccination?

JOURNAL=Frontiers in Public Health

VOLUME=10

YEAR=2022

URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2022.938108

DOI=10.3389/fpubh.2022.938108

ISSN=2296-2565