A fresh Covid outbreak in China has spread to more locations, raising concerns in local media over the country's vulnerability to the highly contagious Delta variant. More than 300 cases have been detected within a span of 10 days. Local headlines have been dominated by news on the outbreak, and the country's top respiratory diseases specialist has reportedly expressed grave concern. The government has imposed fresh travel restrictions and is testing millions. It is unclear how many in China are fully vaccinated, although authorities say more than 1.6 billion doses have been administered so far. A total of 15 provinces
