Get the facts about vaccines

Why was RotaShield® was taken off U.S. market in 1999?

RotaShield® vaccine was the first vaccine to prevent rotavirus gastroenteritis approved for use in the United States in August 1998. Its removal from the market is a good case study for how the Centers for Disease Control and Prevention (CDC), Advisory Committee on...

What is Guillain-Barré and can vaccines cause it?

Guillain-Barré syndrome (GBS) is a rare disorder in which a person’s own immune system damages their nerve cells, causing muscle weakness and sometimes paralysis. It often follows infection with a virus or bacteria. Most people recover fully from GBS, but some people...

Can my child actually get the disease from a vaccine?

With an inactivated (killed) vaccine, it isn’t possible. Dead viruses or bacteria can’t cause disease. With live (weakened) vaccines, some children get what appears to be a mild case of disease (for example, what looks like a measles or chickenpox rash, but with only...

Can my child get a disease even after being vaccinated?

It isn’t very common, but it can happen. Depending on the vaccine, about 1 percent to 5 percent of children who are vaccinated fail to develop immunity. For very few people, underlying illnesses may affect their immune system response and in turn, they may require...