Swine flu

Swine Flu- History, Causes, Symptoms, Serious symptoms, Prevention             

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Swine flu – history, causes, symptoms, serious symptoms, prevention Swine flu disease is related to respiratory system, caused by an influenza strain that start in pigs. Swine flu is also know as a N1H1 type A influenza. It is causes by virus, swine flu named for a virus that pigs […]