A UK-based research has claimed that a third of the world’s population could be infected with swine flu by the end of the year. Researchers say swine flu has “full pandemic potential”, spreading readily between people and is likely to go global in the next six to nine months. The number of laboratory-confirmed swine flu cases has reached 5,251 in some 30 countries around the world, with 61 having died from the disease, the World Health Organization has confirmed.

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