Staphylococcal infections are caused by gram-positive, sphere-shaped bacteria called staphylococci. They are usually harmless on the skin, but they can...

Burns destroy the skin's protective barrier, allowing bacteria to enter the body. This can lead to infection and a host...

Upper respiratory tract infections (URIs) are illnesses that affect the nose, sinuses, throat, and voice box. They are usually caused...

About one in four pregnant women have group B streptococcus (GBS) in their rectum or vagina. The infection usually does...

Infectious diseases are illnesses caused by germs (viruses, bacteria, fungi or parasites). They cause infections that disrupt the bodies normal...