Article

A spore- and toxin-forming bacteria that causes diarrhea

In early childhood, herpes simplex virus most commonly causes blister-like sores in the mouth and around the lips and on skin that is in contact with the mouth, such as a sucked thumb or finger.

There are 2 common types of ear infections: otitis media (middle ear infection) and otitis externa (swimmer’s ear). Most ear infections of young children occur in the middle ear.

A fungal infection that may affect the body, feet, or scalp

Through the bite of an infected mosquito. West Nile disease may also be spread by blood transfusion and organ donation.

Human immunodeficiency virus (HIV) infection affects the body in a wide variety of ways. In the most severe infection, the virus progressively destroys the body’s immune system, causing a condition called acquired immunodeficiency syndrome (AIDS). With early testing and appropriate treatment, children

A disease caused by group A Streptococcus bacteria

An inflammation of the lungs primarily caused by a viral or, less commonly, bacterial infection. Infection of the lungs often is secondary to an infection that starts in the nose and throat area (ie, the upper portion of the respiratory tract) and then spreads to the lungs (ie, the lower portion of the