Coronavirus briefs
America’s Centres for Disease Control reversed its earlier advice and said that people living in areas with a high prevalence of covid-19 should wear masks again in public indoor spaces. Meanwhile, the governors of California and New York said that state employees will be required either to take a vaccine or submit to weekly testing. Joe Biden prepared similar measures for federal-government workers. Lockdown measures were extended by another four weeks in Sydney. Tokyo reported a record number of new cases, though there was no big outbreak among participants in the Olympics. In Malaysia someone reportedly broke pandemic restrictions by flying a helicopter 180km (112 miles) from Kuala Lumpur to pick up 36 portions of rice from a restaurant. Police are searching for any grains of evidence. → For our latest coverage of the…