China CDC http://www.chinacdc.cn/en/

National Health Commission of the People’s Republic of China [to 05 Feb 2022]
http://en.nhc.gov.cn/
News
Feb 5: Daily briefing on novel coronavirus cases in China
On Feb 4, 31 provincial-level regions and the Xinjiang Production and Construction Corps on the Chinese mainland reported 27 new cases of confirmed infections.

China’s daily nucleic acid testing capacity at 42 million
2022-01-30

National Medical Products Administration – PRC [to 05 Feb 2022]
http://english.nmpa.gov.cn/
News
Almost 3b COVID-19 vaccine doses administered on Chinese mainland
2022-01-30
Almost 3 billion COVID-19 vaccine doses had been administered on the Chinese mainland as of Jan 28, data from the National Health Commission showed on Jan 29.

CCDC Weekly Reports: Current Volume (4)
2022-02-04 / No. 5COVID-19 ISSUE (23)
View  PDF of this issue
:: Preplanned Studies: Impact of Regions with COVID-19 Cases on COVID-Zero Regions by Population Mobility — Worldwide, 2021
:: Methods and Applications: A COVID-19 T-Cell Response Detection Method Based on a Newly Identified Human CD8+ T Cell Epitope from SARS-CoV-2 — Hubei Province, China, 2021
:: Vital Surveillances: Factors Associated with SARS-CoV-2 Repeat Positivity — Beijing, China, June–September 2020
:: Notes from the Field: An Imported Case and an Infected Close Contact of the Omicron Variant of SARS-CoV-2 — Guangdong Province, China, December 13, 2021
:: Notes from the Field: An Imported Case of BA.2 Lineage of Omicron Variant COVID-19 — Guangdong Province, China, December 28, 2021