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Zoonotic Influenza

OCR AS-level BiologyCommunicable DiseasesLesson 12 of 40

Zoonotic diseases are diseases that can be caught from animals.

Influenza is able to attacks several animals including birds and pigs.

The virus can sometimes jump the species barrier by mutation. Humans then are infected with bird flu or swine flu. Few people have natural immunity to these new strains. T

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