China upgrades measures to contain Delta variant

Safety first: A staff member spraying disinfectant at a temporary laboratory used for Covid-19 testing at an exhibition centre in Nanjing. — AFP

NANJING: A mega-city with a population of more than 9.3 million in eastern China, Nanjing has launched the third round of all-inclusive nucleic acid testing to contain the latest Covid-19 resurgence that first emerged at its airport.On July 20, nine cleaners at the Nanjing Lukou International Airport tested positive for the virus during a routine inspection.

By July 29, Nanjing, the capital city of Jiangsu province, had reported a total of 184 locally transmitted confirmed cases and one local asymptomatic case.