Arizona reports its second death linked to Cook County virus , also known as swine flu . Officials in Arizona , H1N1 , report their second flu death . Latest two deaths not in CDC 's official tally of 96 swine-flu deaths in U.S. World Health Organization has counted 14,557 cases of H1N1 -- 96 of them fatal .
Arizona reports its fourth death linked to H1N1 virus , also known as swine flu . Officials in Cook County , Illinois , report their second flu death . Latest two deaths not in CDC 's official tally of 11 swine-flu deaths in U.S. World Health Organization has counted 14,557 cases of H1N1 -- 96 of them fatal .