Did The Shot Work?

Sunday, Jan. 18, 2004
    • One unanswered question about this winter's flu epidemic was whether the vaccine that Americans were clamoring to get would protect against the predominant Fujian strain. We may have the answer. A preliminary CDC study of 1,818 Colorado hospital workers suggests the vaccine had "no or very low effectiveness"--from 3% to 14%--against the Fujian flu.