WHO confirms pandemic alert level raised to 4
GENEVA (Reuters) - The World Health Organisation raised its pandemic alert level on Monday to phase 4 over the deadly swine flu virus, indicating the infection can spread between humans to cause community-level outbreaks.
The decision came after experts held hours of emergency talks on whether to to raise the alert level from phase 3 due to the outbreak, which has killed up to 149 people in Mexico and spread to the United States, Canada and Europe.
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