Image by Getty Images via DaylifeThe U.S. Food and Drug Administration[FDA] has recently approved four vaccines against the 2009 H1N1 influenza virus.FDA has reported these vaccines have induced a strong immune response,usually starting 8-10 days after a single dose.Studies are underway to determine the exact dose in children.
Contraindications:Individuals with severe allergic reactions to chicken eggs,should not be vaccinated.
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