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Haemophilus Influenzae Type b (Hib) VaccineFor the most up-to-date information on Hib disease and the Hib vaccine, please visit www.cdc.gov/vaccines. Brief Background on Hib Disease Hib disease is a serious disease caused by a bacteria that usually strikes children under 5 years old. Your child can get Hib disease by being around other children or adults who may have the bacteria and not know it. The germs spread from person to person. Sometimes the germs spread into the lungs or the bloodstream, and then Hib can cause serious problems. Before the Hib vaccine, Hib disease was the leading cause of bacterial meningitis among children under 5 years old in the United States. Meningitis is an infection of the brain and spinal cord coverings, which can lead to lasting brain damage and deafness. Hib disease can also cause:
Before Hib vaccine was introduced in the early 1990's, about 20,000 children in the United States under 5 years old got severe Hib disease each year and nearly 1,000 people died. Hib vaccine can prevent Hib disease. Many more children would get Hib disease if we stopped vaccinating. Hib Vaccine Safety Information A vaccine, like any medicine, is capable of causing serious problems, such as severe allergic reactions. The Hib vaccine has a long track record of being very safe and effective. Most people who get Hib vaccine do not have any problems with it. Mild problems that may occur include:
If these problems happen, they usually start within a day of vaccination. They may last 2 to 3 days. What you should look for For any symptom more serious than the ones described above, promptly consult your doctor/healthcare provider. Look for any unusual conditions, such as a serious allergic reaction, high fever, or unusual behavior. Serious allergic reactions are extremely rare with any vaccine. If one were to occur, it would most likely be within a few minutes to a few hours after the shot. Signs can include difficulty breathing, hoarseness or wheezing, hives, paleness, weakness, a fast heart beat or dizziness. If a high fever or seizure were to occur, it would usually be within a week after the shot. What you should do If you think that your child is having a problem following Hib vaccination, call a doctor or get your child to a doctor right away.Tell your doctor what happened, the date and time it happened, and when the vaccination was given. Ask your doctor, nurse, or health department to file a Vaccine Adverse Event Reporting System (VAERS) form. Or you can file this report through the VAERS web site at www.vaers.hhs.gov, or by calling 1-800-822-7967. VAERS does not provide medical advice. Related Links Please note: Some of these publications are available for download only as Portable Document Format (PDF) files, which require Adobe® Acrobat® Reader to view. Please review the information on downloading and using Acrobat Reader software. |
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