Polio (poliomyelitis) is a highly infectious viral disease passed from person to person. It invades the nervous system and can paralyze a person within hours. Initial symptoms are fever, fatigue, headache, vomiting, and neck stiffness. Polio mainly affects children under 3. Before the polio vaccine was introduced in 1955, tens of thousands of U.S. children per year developed paralytic polio. Only the inactive polio vaccine (IPV), made from dead polio virus, is used in the U.S. Starting at 2 months of age, all U.S. children receive four doses of IPV. Follow the links below to find WebMD's comprehensive coverage of polio, its history, the risk it poses, preventive vaccines, and much more.
Polio Vaccine (IPV): When to Get Vaccinated
WebMD explains why the polio vaccine (IPV) is important, who should get it and when, and possible risks and side effects.
Post Polio Syndrome
Post-polio syndrome (PPS) is a syndrome that affects some people who have had polio (poliomyelitis) and occurs many years (typically from 10 to 40 years) after recovery from the initial infection. It is characterized by the development of progressive weakness in muscles that were affected by the original polio infection. In addition,those affected may experience extreme fatigue and joint pain. ...
Preteen and Teen Immunizations
Confused about the recommendations for preteen and teen immunizations? This quick summary puts some of the latest updates at your fingertips.
Vaccine Information Statements-Vaccine Basics
Vaccines help prevent people from getting sick. There are many kinds of vaccines. Each vaccine is made up of parts of weakened or killed bacteria or viruses of a specific disease. After you have a vaccine, your body's immune system makes antibodies to fight the disease. If you are exposed to the same disease in the future, the antibodies kill the bacteria or viruses before they have a chance to ..
The 10 Most Important Drugs
These breakthrough drugs made medicine modern.
Get an 'A' in Vaccines
Vaccines have proved so successful in eliminating their target diseases that some parents of school-aged children have gotten a bit lax about completing the complicated battery of injections.
Child Vaccines: Some Parents Ill at Ease
Does the private right of parents to not vaccinate their kids trump the greater public good?