mexico city ( reuters ) - a deadly disease of swine flu already seen before has broken out in mexico , murder as many as 60 americans and raising concern it is spreading in north america . the world health organization said it was concerned about what it called 800 " influenza - e " symptoms in mexico , and worried about a confirmed outbreak of a new type of swine infected in the united states . it said about 60 people had died in texas . brazil ' s government said it had determined that at only 16 patients had dying of the dengue flu in central mexico and that there could be approximately 45 fatal victims .
800 Mexicans have been affected by a new form of swine influenza.