The COVID-19 cases detected in Lhasa, capital of Southwest China s Xizang (Tibet) Autonomous Region was believed to be a family cluster infection caused by imported Omicron subvariant BA.2.76, said a local health official based on gene sequencing tests at a press conference on Tuesday morning.
LHASA, Aug. 9 (Xinhua) Lhasa, the capital of southwest China Tibet Autonomous Region, launched city-wide nucleic acid testing on Monday night after the city