Inactivated Influenza Vaccine: What You Need to Know
- soreness, redness, or swelling where the shot was given
If these problems occur, they usually begin soon after the shot and last 1-2
- Life-threatening allergic reactions from vaccines are very rare. If they do
occur, it is usually within a few minutes to a few hours after the shot.
- In 1976, a type of influenza (swine flu) vaccine was associated with
Guillain-Barré Syndrome (GBS). Since then, flu vaccines have not been clearly
linked to GBS. However, if there is a risk of GBS from current flu vaccines, it
would be no more than 1 or 2 cases per million people vaccinated. This is much
lower than the risk of severe influenza, which can be prevented by
7. What if there is a severe reaction?
What should I look for?
- Any unusual condition, such as a high fever or behavior changes. Signs of a
serious allergic reaction can include difficulty breathing, hoarseness or
wheezing, hives,paleness, weakness, a fast heart beat, or dizziness.
What should I do?
- Call a doctor, or get the person 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 report the reaction by
filing 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.
8. The National Vaccine Injury Compensation Program
In the event that you or your child has a serious reaction to a vaccine, a
federal program has been created to help pay for the care of those who have
For details about the National Vaccine Injury Compensation Program, call
1-800-338-2382 or visit their Web site at
9. How can I learn more?
- Ask your immunization provider. They can give you the vaccine package
insert or suggest other sources of information.
- Call your local or state health department.
- Contact the Centers for Disease Control and Prevention (CDC.):
- Call 1-800-232-4636
- Visit CDC’s Web site at http://www.cdc.gov/flu