During this swine flu epidemic in Mexico a number of experts and organizations in Mexico and the U.S. worked well together and acted quickly. Dr Sada, a respected epidemiologist at Mexico's health ministry, Dr Lezana a top government epidemiologist, the director of the National Insititute of Respiratory Diseases in Mexico City, Dr Ruiz, chief of Epidemiology at a Oaxaca hospital, Dr Gerardo Lescas in Oaxaca, Mexico, who treated some of the patients, Frank Plummer a Canadian scientist who analyzed samples at a Canadian lab, and the Centers for Disease Control of the USA, moved rapidly to take action. This helped contain the swine flu epidemic in Mexico, and created a model for other countries faced with a similiar situation. This is a detailed account of how Mexico responded.