Health officials had numerous tools to fight the illness' spread and protect the health of Americans. Danita Schuchat, the U.S Centers for Disease Control and Prevention's Interim Deputy Director for Science and Public Health Program, told reporters on that her agency was "worried, and because we are worried we are acting aggressively on a number of fronts" to investigate the outbreak.

Eight more cases of "probable" swine flu involving school students have been identified by New York City health officials. Earlier in the day, the head of the World Health Organization said that the. In the United States, two new cases were reported by health officials in Kansas, as well as a new tabbie in California, bringing the national total to 11, according to. She added that, because of the wide geographic spread of the virus so far, the outbreak is already "beyond containment." But Schuchat added that U.S.

-- Mexican authorities continued to take dramatic steps to try to contain the swine flu outbreak that has killed as many as 68 people, and sickened more than 1,000 others.