U.S. swine flu epidemic shows signs of being over
from USA Today
One U.S. expert said the epidemic has "one foot in the grave," and there are many reasons to believe there won't be another wave later in the year. For one thing, the virus has shown no signs of mutating. The vaccine against it is effective. And roughly half the people in the U.S. probably have some immunity because they were infected with it or got vaccinated.
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