22 Million Cases of Swine Flu in US - WebMD Health News

Nov. 12, 2009 -- H1N1 swine flu has killed more than 4,000 Americans -- perhaps as many as 6,000, the CDC now estimates. - 22 Million Cases of Swine Flu in US

CDC: Swine flu has sickened 22 million in 6 months - AP
Reuters - Wall Street Journal - Palm Beach Post - BBC News