AUTHOR=Cheshmehzangi Ali , Zou Tong , Chen Weixuan , Chen Hengcai , Su Zhaohui 

TITLE=Commentary: Tracing Management and Epidemiological Characteristics of COVID-19 Close Contacts in Cities Around Chengdu, China

JOURNAL=Frontiers in Public Health

VOLUME=10

YEAR=2022

URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2022.913189

DOI=10.3389/fpubh.2022.913189

ISSN=2296-2565