Thursday, March 28, 2024
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Tags Worldwide swine flu epidemic

Tag: worldwide swine flu epidemic

Worldwide flu epidemic: Danger in the herd!

The outbreak of swine flu worldwide captured immediate attention because it is a new strain - a combination of a virus found in pigs that changed enough to cause infections in farm workers in Mexico with other known flu viruses including influenza A. Billions of people on earth have no "herd immunity" to a new virus.