Swine flu vaccine is included in Influenza shots recommended to be given yearly, as immunity against Influenza declines in one year. Children below 5 years of age, pregnant women, senior citizens, persons with certain medical conditions (lung or heart disorders; metabolic disorders e.g. Diabetes, kidney ailments, etc.; and immunosuppression) should be essentially given these shots, as they are more prone to succumb to Swine flu. You can also find the detailed information about available vaccine brands by going to this link http://vaccinebox.com/vaccines/influenza-virus-vaccine/
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