The British government has imposed a lockdown on London and other parts of southeast England as a new strain of coronavirus is believed to be spreading there.
Thailand's biggest seafood market and the surrounding area were locked down Saturday to contain a coronavirus outbreak, after the country's largest spike in cases since the pandemic began.
20 December
Israeli Prime Minister Benjamin Netanyahu received a Covid-19 vaccine jab on Saturday, kicking off a national rollout over the coming days.
20 December
England's chief medical officer Chris Whitty confirmed Saturday that a new coronavirus strain which surfaced in the country could spread faster and called for greater public vigilance to reduce transmission.