Some Older People May Be Immune to Swine Flu

Older adults might have some pre-existing immunity to H1N1 swine flu, according to the U.S. Centers for Disease Control and Prevention. Lab tests showed that some adults, particularly those older than 60, had antibodies against the new strain, but Dr. Anne Schuchat of the CDC cautioned against reading too much into the finding. "We don't know yet what that will mean in terms of actual immunity or clinical protection," she said on a conference call with reporters. As the worldwide H1N1 flu...Full Story
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