England’s plan to reopen on June 21 could be delayed by four weeks.

By Stephen Castle LONDON — Concerned by the spread of a new coronavirus variant, Prime Minister Boris Johnson of Britain was preparing on Monday to announce a delay of up to four weeks on the lifting of Covid-19 restrictions in England, effectively postponing a long-awaited moment described in the news media as “freedom day.” In […]

The World Health Organization authorizes the Sinovac vaccine for emergency use.

The World Health Organization has cleared a coronavirus vaccine made by the Chinese pharmaceutical company Sinovac for emergency use, the agency announced on Tuesday. The decision, which comes about a month after the agency authorized another Chinese vaccine, made by Sinopharm, for emergency use, means that Sinovac’s vaccine can potentially be included in Covax, a […]

Adar Poonawalla, head of India’s vaccine giant, speaks from London of the enormous pressure he is under.

In recent months, the chief executive of Serum Institute of India, the world’s largest vaccine manufacturer, has come under increasingly intense pressure as pro-government voices and leaders of the state governments headed by opposition politicians criticized him alike. Some accused him for delays in supplying vaccines; some called him a “profiteer” for not offering Covid […]