Swine flu coverage
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In the second such recall this season, manufacturer MedImmune says the vaccine has lost potency since it was made. ‘This is not a safety issue,’ a U.S. official says.
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A study in California shows that about a quarter of the people hospitalized for H1N1 complications were morbidly obese, even though less than 5% of the population falls into that category.
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Humans have it. Pigs don’t.
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Surgical masks help stop droplets from spreading, but respirators are designed to filter small particles. If used correctly, respirators are more likely to reduce flu risk, the CDC says.
