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Lab scientists Elizabeth Cebelinski, left, and Gongping Liu set up a polymerase chain reaction (PCR) test with suspected flu samples as they look for the H1N1 swine flu virus at the Minnesota Department of Health Public Health Laboratory in St. Paul, Minn., Friday, May 1, 2009. (AP Photo/ Craig Lassig) http://apimages.ap.org/Selected.aspx?st=sel&showact=results&sort=relevance&xslt=sel&sh=14&kwstyle=and&dbm=panorama&adte=1320951624&ish=x&pagez=20&cfasstyle=AND&page=1&dah=X%...