Sexually transmitted cases of syphilis are on the rise worldwide. Here are the basics about syphilis all sexually active people need to know to stay safe and reduce the risk of infection.

Human immunodeficiency virus (HIV) infection is a viral infection that progressively destroys certain white blood cells and can cause acquired immunodeficiency syndrome (AIDS).

Hepatitis is an inflammation of the liver. Viruses cause most cases of hepatitis. The type of hepatitis is named for the virus that causes it; hepatitis A, hepatitis B, hepatitis C, hepatitis D and hepatitis E.

To interrupt leprosy transmission and reduce annual new cases significantly, preventive treatment needs to be implemented in all leprosy-endemic countries