Who is infected with the flu before the year 2500 seems to have some immunity to the swine flu. Dr. Daniel Rogers sketches of the CDC, said: "the test serum from the blood of the elderly. show that they have Antibody new virus that can dissuade them. But that does not mean people over 55 years, everyone will be completely immune to the disease. Since older Americans and Mexicans have died from the flu this new species.
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