Mexico City cancels all public events as WHO chief says swine flu has ‘pandemic potential’MEXICO CITY — A deadly new swine flu strain that has killed at least 20 people in Mexico City and sickened more than 1,000 has “pandemic potential,” the World Health Organization chief said Saturday — but some fear it may be too late to contain the outbreak. WHO chief Chan says swine flu found in Mexico, US has ‘pandemic potential’GENEVA — An outbreak of swine flu in Mexico and the United States is a quickly evolving situation that has “pandemic potential,” the head of the World Health Organization said Saturday before an emergency meeting of flu experts. WHO chief convenes emergency meeting on deadly swine flu outbreak in Mexico, USGENEVA — The World Health Organization has called an emergency meeting of experts Saturday to consider declaring an international public health emergency over the swine flu outbreak believed to have killed dozens of people in Mexico and sickened at least seven in the U.S. |