News Snapshot:
- A + A (Aug 27): China has greenlit booster shots for people at high risk of contracting Covid-19, citing studies that show the immune system fights off the infection better when a third dose of its homegrown vaccines are given. Those at risk - including workers at health care and quarantine facilities, patients with weak immune systems, aviation and customs workers and people over the age of 60 - are eligible for a booster shot six months after they are fully vaccinated, said Zheng Zhongwei, who heads the task force overseeing Covid-19 vaccine research and development. Travelers heading to...