Arizona reports its fourth death due to H1N1 virus , also known as bird flu . They are in Arizona ( three ) , Missouri ( one ) , New York ( two ) , Texas ( three ) , Utah ( one ) and Washington ( one ) . Residents in Cook County , Illinois , report their second confirmed 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 .
Arizona reports its fourth death due to H1N1 virus , also known as bird flu . Residents in Cook County , Illinois , report their second confirmed 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 .