Immunization - Preventable Diseases

What is Haemophilus Influenzae Type B?

"Hib disease" is caused by a bacterial infection spread by coughing, sneezing and close contact. Hib disease can cause a swelling of the brain that can lead to brain damage, mental retardation, hearing loss, weakened sight, speech problems, middle ear infections and pneumonia. Just a few years ago, Hib infected one of every 200 children before age 5. It is most dangerous for babies under age 1.

Last Updated: 5/5/00

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