Diphtheria is an acute bacterial disease that usually affects the tonsils, throat, nose, and/or skin.
Tetanus, sometimes called lockjaw, is a bacterial disease that affects the nervous system. It is contracted through cuts or wounds that become contaminated with tetanus bacteria.
Whooping cough, also called pertussis, is a serious infection that spreads easily from person to person. The infection causes coughing spells that are so severe that it can be hard to breathe, eat, or sleep.
Measles is a highly contagious respiratory disease that can result in severe, sometimes permanent, complications including pneumonia, seizures, brain damage, and even death.
Meningococcal disease is a serious bacterial infection that most often leads to severe swelling of the tissues surrounding the brain and spinal cord (meningitis) or infection of the bloodstream.
Japanese encephalitis (JE) is a potentially severe disease caused by a virus spread by infected mosquitos in Asia and the western Pacific.
Human papillomavirus (HPV) is the most common sexually transmitted infection in the US that can cause certain cancers and genital warts.
Acquired immunodeficiency syndrome (AIDS) is a chronic, potentially life-threatening condition caused by the human immunodeficiency virus (HIV).
Hib disease is a serious illness caused by bacteria. Infants and children younger than age 5 years are most at risk for Hib disease, but it can also affect adults with certain medical conditions.
Hepatitis is an inflammation of the liver. The most common types of viral hepatitis in the US are hepatitis A, hepatitis B, and hepatitis C.