Comprehensive study published in The Lancet covers the novel coronavirus as well as SARS and MERS

Cases in Latin America surge with more than 45,000 in 24 hours; many countries move toward reopening despite infection continuing to spread rapidly

Death tolls, new infections spike in Russia and Brazil; Greece opens to tourists from 29 countries; economic carnage continues, with total 41 million in US filing for unemployment

American president accuses UN health agency of being a 'puppet' of China, says funding freeze will become permanent unless 'substantive improvements' made

Top researchers question methodology used in Lancet large-scale study, basis for WHO suspending clinical trials of the anti-viral drugs as potential COVID-19 treatments

International health body executive director says virus still 'on the way up,' warns of future outbreak 'spikes' as countries lift restrictions

Move comes after study indicates use of the arthritis and malaria medication on COVID-19 patients could increase their chances of dying

106,662 new cases reported Tuesday worldwide attributed to continued spread, but also to increased testing; more than 325,000 global deaths and almost 5 million infections

Faced with withering criticism from US, global health assembly approves nonbinding EU-proposed resolution to set up 'impartial, comprehensive evaluation' of UN body

Academics, health officials say US president's criticism of UN agency rooted in misunderstanding of its role and meant to deflect blame for COVID-19 impact in America