Emily Feng

A year ago, on January 23, 2020, China imposed an absolute lockdown in the Chinese city of Wuhan.

Eleven million people are under lockdown in Hebei province after a new cluster of coronavirus infections.

Since Jan. 2, Hebei has reported more than 600 new positive cases, 544 of which were from the capital city of Shijiazhuang. To identify all potential patients, health officials have completed one round of mass testing of all the city's residents, and a second one is being carried out this week.

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In a predawn raid, Hong Kong police arrested more than 50 opposition lawmakers and activists for participating in an independent primary, the most sweeping use yet of a national security law Beijing imposed in the region last year.

Hong Kong's beleaguered opposition is still trying to ascertain who has been arrested. The region's police force declined to release a list of those detained Wednesday.

Beijing says it inoculated more than 73,000 people in the first two days after China's first domestic COVID-19 vaccine was approved for commercial use.

China's capital has set up 220 vaccination centers around the city to dole out the two-step vaccine. The elderly and front-line medical workers will receive the first doses.