Residents line up to undergo a Covid-19 test in Tianjin Municipality, China, on Saturday. Tianjin has tested 9.6 million people in three days. Photo: EPA-EFE
Did Tianjin’s Omicron coronavirus outbreak start elsewhere in China? Health officials investigate
- Cases of the variant in the Chinese city found to have different sources to earlier imported cases, according to genome sequencing
- City CDC deputy director says strain – which has a shorter incubation period than earlier ones – might have been ‘hiding’ in the city for some time
Residents line up to undergo a Covid-19 test in Tianjin Municipality, China, on Saturday. Tianjin has tested 9.6 million people in three days. Photo: EPA-EFE