Johns Hopkins University

Global Covid cases top 215 million

Covid-19: Global caseload nearing 100m

Covid-19: Global death toll surpasses 1.4 million

The US records nearly half a million Covid-19 cases in a week

Coronavirus: Bangladesh among the top 25 countries with highest number of cases

Infographic: Blood test detects common cancers

Study: Cancer blood test finds eight kinds of tumors