New cases of swine flu were confirmed in Kansas and California and suspected in New York City. But officials said they didn't know whether the New Yor

New cases of swine flu were confirmed in Kansas and California and suspected in New York City. But officials said they didn't know whether the New York cases were the strain that now has killed up to 81 people in Mexico and likely sickened 1,324 since April 13, according to figures updated late Saturday by Mexico's health secretary.