Chickenpox is a common childhood disease that causes an itchy, blistering rash and is easily spread to others.
Hepatitis is an inflammation of the liver. It can damage and destroy liver cells.
Infectious mononucleosis is a contagious illness. It’s common in teens and young adults.
Meningitis is most often caused by a bacterial or viral infection that moves into the cerebral spinal fluid (CSF).
Mumps is a very contagious viral illness that infects the pair of salivary glands in front of the ears. Cases of mumps in the U.S. happen much less often since the mumps vaccine has been used.
Tetanus is a severe illness of the central nervous system caused by bacteria. It's not contagious. It can be prevented by a vaccine.
Whooping cough (pertussis) is a contagious illness. It causes intense fits (paroxysms) of coughing. It mainly affects babies and young children.
Roseola is a contagious viral illness. It causes a high fever and then a rash that develops as the fever goes away.
Measles (rubeola) is a respiratory illness caused by a virus. It causes a red, blotchy rash. It’s a very contagious illness.
Scarlet fever is an infectious disease that causes a rash. It is caused by the same kind of bacteria that cause strep throat.
Tuberculosis (TB) is an ongoing (chronic) infection caused by bacteria. It usually infects the lungs. But the kidneys, spine, and brain may also be affected.
There are many types of enteroviruses. The viruses mostly cause illness in babies, children, and teens. This is because most adults have already been exposed to many enteroviruses and have built up immunity.