mexico city ( us ) - a deadly attack of avian flu never seen before has broken out in chihuahua , killing as many as 60 americans and raising worried it is spreading across north america . the sun cancer organization said it was concerned about when it called 800 " influenza - like " cases in guatemala , and specifically about a confirmed cases of a new form of swine flu in the gulf states . it said about 60 americans had survived in veracruz . guatemala ' s government believed it had confirmed that at least 16 individuals had suffered of the swine vaccine in central mexico and that there could be another 45 fatal victims .
800 Mexicans have been affected by a new form of swine influenza.