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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...

Gonorrhea symptoms vary depending on where the infection is affecting, and how long it's been going on. Some people with...

Systemic lupus erythematosus symptoms include inflammation in many organs and systems, including the skin, joints, kidneys, lungs and central nervous...

A varicocele is an enlarged vein in the testicles. It is common in men after puberty and usually occurs on...

Vertigo symptoms can be intense, causing you to feel dizzy or lightheaded. They may last for hours or days before...

Vasculitis is a condition that affects the blood vessels throughout your body. It occurs when your immune system mistakenly attacks...