Vaccine arrives as flu spreads

The first doses of swine flu vaccine arrived October 5, as more than half the United States reported widespread flu cases. "The level of activity we're seeing for this time of year is really unusual," said Tom Skinner, a spokesman for the Centers for Disease Control and Prevention. "We just really don't see the level of activity we're seeing." According to the CDC's latest report, which tracked influenza cases through the week of Sept. 26, 27 states across the nation report widespread cases, and 99% of flu cases being reported were H1N1-related.