World Covid-19 cases hit 50 million mark

A woman in Philadelphia wears a facemask in support of President-elect Joe Biden, who has said one of his first tasks will be to try to bring the pandemic under control in the US (Rebecca Blackwell/AP)

The coronavirus has hit another sobering milestone, with more than 50 million positive cases worldwide since the pandemic began.

Johns Hopkins University’s coronavirus tracker reported more than 50.2 million Covid-19 cases globally as of Sunday.