South Africa has now registered more than 500,000 cases of coronavirus, the health ministry announced Saturday, making it by far the hardest-hit country in Africa. The country has become the epicentre of the deadly pandemic on the continent, accounting for more than half of Africa's...

Southeast Asian countries reported record rises of new coronavirus cases Saturday as the WHO warned the effects of the pandemic would be felt for decades and the scramble for a vaccine heated up. Six months after the World Health Organization declared a global emergency, the novel...

Amid the chaos of the pandemic’s early days, doctors who faced the first coronavirus onslaught reached across oceans and language barriers in an unprecedented effort to advise colleagues trying to save lives in the dark.  With no playbook to follow and no time to wait for research,...

As a New York University medical researcher who works once a week in an emergency room, Dr. David Lee had the luxury of time to think like a scientist while also treating coronavirus patients whose lungs kept giving out. In every case, he saw the same thing: Their blood was starved of oxygen....