As the world approaches the second anniversary of the declaration of the Covid-19 pandemic by the World Health Organization, on March 11, more nations are rolling out or are
As the world approaches the second anniversary of the declaration of the COVID-19 pandemic by the World Health Organization, on March 11, more nations are rolling out or are discussing the possibility of fourth doses of coronavirus vaccine for their most vulnerable.
A fourth Covid-19 shot might be recommended this fall, as officials continually look at emerging data kvia.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from kvia.com Daily Mail and Mail on Sunday newspapers.