What do you think of when you hear the word fungus? Do you think of mushrooms? ... A lot of people get fungal infections, but they're usually easy to treat

Viral infections are common among people of all ages but often seem to be concentrated in infants and children. Most childhood viral infections are not serious and include such diverse illnesses as colds with a sore throat, vomiting and diarrhea, and fever with a rash

An infection is the detrimental colonization of a host organism by a foreign species. In an infection, the infecting organism seeks to utilize the host's resources to multiply . The infecting organism, or pathogen, interferes with the normal functioning of the host

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

Once known as venereal diseases or VD and now called sexually transmitted diseases or STDs and sometimes sexually transmitted infections or STIs