HealthDoctors scramble to identify mysterious illness emerging in China The cause of a pneumonia that has affected at least 59 people in Wuhan City, Hubei Province of China, remains unknown, but authorities have ruled out SARS, MERS and bird flu 51¶¯Âþ
DefinitionHIV and AIDS HIV, the human immunodeficiency virus, is the microorganism responsible for AIDS – acquired immunodeficiency syndrome.