Volunteers light candles forming the shape of a red ribbon during an HIV/AIDS awareness event in Siliguri. Photo: Diptendu Dutta / AFPVolunteers light candles forming the sha... […] Health, Infographic, Video 3D AIDS: Years of research but still no vaccine As the globe marks World AIDS Day, why is there still no vaccine to protect people from the Human Immunodeficiency Virus (HIV)? 2 years ago
