A Local Cluster of Omicron Variant COVID-19 Likely Caused by Internationally Mailed Document - Beijing Municipality, China, January 2022

China CDC Wkly. 2022 Apr 8;4(14):302-304. doi: 10.46234/ccdcw2022.031.
No abstract available

Keywords: COVID-19; Cluster; Omicrons; Variant.

Grants and funding

Funded by The Capital Health Development and Research of Special (2021-1G-3012), Beijing Science and Technology Planning Project (Z201100005420010) and (Z211100002521019), and Beijing Talent Project (2020A050, 2020A051)