Time to Think About Your Flu VaccineInformation from Flu.Gov – The 2012-2013 flu vaccine, shot or spray, should be received as soon as it is available. Everyone 6 months of age and older should get the flu vaccine. Seasonal flu vaccines have a very good safety track record.

The flu vaccine is available by shot or nasal spray. It is especially important to get the vaccine if you, someone you live with, or someone you care for is at high risk of complications from the flu. Mild reactions such as soreness, headaches, and fever are common side effects of the flu vaccine. If you experience a severe reaction such as difficulty breathing, hives, or facial swelling, seek medical attention immediately.

What does the 2012-2013 flu vaccine protect against?
Flu vaccines are designed to protect against three flu viruses that experts predict will be the most common during the upcoming season. Each year, one flu virus of each kind is used to produce the seasonal flu vaccine.

The 2012-2013 flu vaccine is made from the following three viruses:

    A/California/7/2009 (H1N1)-like virus
    A/Victoria/361/2011 (H3N2)-like virus
    B/Wisconsin/1/2010-like virus

The 2012-2013 flu vaccine will not protect against the H3N2v flu, associated with exposure to swine, which resulted in more than 300 flu cases in 2011 and 2012.

When should I get the vaccine?
Get the vaccine as soon as it is available in your area. Flu season usually peaks in January or February, but it can occur as late as May. Early immunization is the most effective, but it is not too late to get the vaccine in December, January, or beyond.

How should I get the vaccine?
There are two types of vaccine, the flu shot and the nasal spray. Both protect against the same virus strains.

The flu shot is:

    Made with inactivated (killed) flu virus
    Given by needle
    Approved for use in healthy people older than 6 months and people with chronic health conditions
    Available in 3 types:
    -Regular, for people 6 months and older
    -High-dose, for people 65 and older. This type contains a higher dose vaccine, which may lead to greater protection against the flu.
    -Intradermal (given with a small needle and injected in your skin), for people 18 to 64

The nasal spray is:

    Made with weakened live flu virus
    Given with a mist sprayed in your nose
    Approved for healthy people between the ages of 2 and 49, except pregnant women

How long is my flu vaccination good for?
The flu vaccine will protect you for one flu season.

How do flu vaccines work?
Flu vaccines (the flu shot and nasal spray) cause antibodies to develop in the body. These antibodies provide protection against infection with the viruses that are in the vaccine.

Does the flu vaccine work right away?
It takes about two weeks after vaccination for antibodies to develop in the body and provide protection against influenza virus infection. In the meantime, you are still at risk for getting the flu. That’s why it’s better to get vaccinated early in the fall, before the flu season really gets under way.

Is the vaccine safe?
Seasonal flu vaccines have a very good safety track record. Although there are possible side-effects to vaccination, the Centers for Disease Control and Prevention and the Food and Drug Administration closely monitor the safety of seasonal flu vaccines.

Should I get the flu vaccine if I’m not feeling well?
If you are sick with a fever, you should wait until your fever is gone before getting a flu shot. However, you can get a flu shot if you have a respiratory illness without a fever, or if you have another mild illness.

The nasal-spray flu vaccine can be given to people with minor illnesses, such as:

    diarrhea
    a mild upper respiratory tract infection, with or without a fever.

    If you have nasal congestion, you should consider waiting to get the nasal-spray flu vaccine. Nasal congestion may limit the vaccine’s ability to reach the nasal lining.

    Are there side effects?
    Mild side effects usually begin soon after you get the vaccine and last one to two days. Possible mild side effects of the flu shot include:

      Soreness, redness, and swelling at the injection site
      Fainting, mainly in adolescents
      Headaches
      Fever
      Nausea

    Possible mild side effects of the nasal spray include:

      Runny nose
      Wheezing
      Headache
      Vomiting
      Muscle aches
      Fever

    Serious side effects usually begin within a few minutes to a few hours after receiving the shot. Possible serious side effects of vaccination include:

      Difficulty breathing
      Hoarseness
      Swelling around the eyes or lips
      Hives
      Paleness
      Weakness
      Racing heart
      Dizziness
      Behavior changes
      High fever

    If you experience any of these reactions, seek medical attention immediately.

    How can I report a serious reaction to the vaccine?
    Contact your health care provider immediately if you have a serious reaction to the flu vaccine. Your health care provider should report your reaction to the Vaccine Adverse Event Reporting System (VAERS). You can also file a report yourself. All serious reactions should be reported, even if you aren’t sure it was caused by the flu vaccine. VAERS uses this data to help identify serious reactions that may need further investigation.

    If your reaction results in a serious injury, you may qualify for compensation from the Vaccine Injury Compensation Program (VICP). VICP provides compensation for vaccine-related injury or death claims for covered vaccines given on or after October 1, 1988.

    Can I get the flu from the vaccine?
    No, you cannot get the flu from the flu shot or the nasal spray. The flu shot contains inactivated (killed) flu viruses that cannot cause illness. The nasal spray contains weakened live viruses. The weakened viruses only cause infection in the cooler temperatures found in the nose. The viruses cannot infect the lungs or other areas in the body where warmer temperatures exist.

    Will I need to pay for the vaccine?
    Most health insurance plans cover the cost of vaccines, but you should check with your insurance company before visiting your health care provider. Under the Affordable Care Act, many insurers are required to cover certain preventive services, like the flu vaccine, at no cost to you.

    If you do not have insurance or if it does not cover vaccines, help is available.

    Is there anyone who should not get the vaccine?
    Talk to your health care provider about vaccination if you have:

      A severe allergy to chicken eggs
      A history of severe reaction to a flu vaccination
      A moderate-to-severe illness with a fever (you should wait until you are better to get the vaccine)
      A history of Guillain–Barré Syndrome (a severe paralytic illness, also called GBS)

    Here is a video that explains how influenza pandemics occur:

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