A medical worker makes preparation outside a PCR (polymerase chain reaction) lab for nucleic acid testing in Northeast China's Heilongjiang province, Sept 26, 2021. （Photo/Xinhua）
The domestic outbreak in Fujian province in East China has been effectively brought under control, but the novel coronavirus situation in the northeastern province of Heilongjiang is in a critical phase, a health official said on Wednesday.
"Virus control measures should be stepped up further to cut its spread," Mi Feng, a spokesman from the National Health Commission, said during a briefing.
He added that as of Tuesday, China had administered more than 2.2 billion doses of COVID-19 vaccines. More than 1.04 billion people had been fully vaccinated.
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