| | China's southern tech hub of Shenzhen said it will adopt tiered anti-virus restriction measures starting on Monday, while the southwestern metropolis of Chengdu announced an extension of lockdown curbs, as the country grapples with fresh outbreaks. | | | The Chinese city of Chengdu will continue to impose COVID lockdown curbs in most of the city and conduct more city-wide mass testing from Monday to Wednesday, the city's government announced on Sunday. | | | Health authorities confirmed on Saturday that an infectious pneumonia outbreak which killed four people in northwest Argentina had died of Legionnaires' disease. | | | China's CanSino Biologics Inc said on Sunday that its recently developed COVID-19 vaccine has been approved by the country's drug regulator for emergency use as a booster, potentially benefiting its business. | | | Mainland China reported 1,848 new coronavirus cases for Sept. 3, of which 384 were symptomatic and 1,464 were asymptomatic, the National Health Commission said on Sunday. | | | Zimbabwe's measles outbreak has so far claimed 685 lives, the Ministry of Health said on Saturday, more than four times the cases reported almost a fortnight ago even as a nationwide vaccination program continues. | | | Most residents of the Chinese tech hub of Shenzhen went into a weekend lockdown on Saturday as mass COVID-19 testing kicked off in much of the city of 18 million people. | | | Britain's medicines regulator on Saturday approved Pfizer /BioNTech's updated bivalent COVID-19 booster shot for people aged 12 years and older. | | | Russia recorded more than 50,000 new daily COVID-19 cases for the second day running on Saturday, the government's coronavirus task force said. | | | The World Health Organization is monitoring a cluster of 10 cases of pneumonia from an unknown cause in Argentina in an outbreak that so far has included three deaths. | | | | |