Drug originally refers to addictive narcotics. Doing drugs means drug abuse.

The Chinese Center for Disease Control and Prevention (CDC) released in the top journal Natural Communication an 11-year surveillance survey on respiratory infections from 106 cities, 277 sentinel hospitals and 92 reference laboratories.

25 April is World Malaria Day. It was instituted by WHO Member States during the sixtieth World Health Assembly of May 2007. It aims to promote the global malaria prevention and control. April 25, 2008 marks the first World Malaria Day.

On November 25, the National Institute of Communicable Diseases (NICD) of South Africa issued a statement that a new coronavirus strain, known as B.1.1.529, has been detected in South Africa.