Tag: World Health Organization

A number of countries — including Britain, Israel, Italy and Singapore — were moving on Friday to restrict travel from…

November 26, 2021

Belgium is highly vaccinated, at 75 percent, but a rise in cases has caused the government to impose tighter restrictions,…

November 22, 2021

A scientist who has pored over public accounts of early Covid-19 cases in China reported on Thursday that an influential…

November 18, 2021