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How is the current swine flu different? – Swine Flu Difference – Different Of Swinre Flu – About Swine Flu
How is the current swine flu different? The current swine flu outbreak is caused by a new swine flu virus that has spread from person to person — and it’s happening among people who haven’t had any contact with pigs. Here is a picture of the new swine flu virus, colorized and magnified. images: Vaccine: [...]