CNN:
WHO raises pandemic alert to second-highest levelThe World Health Organization raised its pandemic alert to 5, its second-highest level Wednesday, indicating the outbreak of swine flu that originated in Mexico is nearing widespread human infection.
Dr. Margaret Chan, the U.N. agency's director-general, said the decision mean to raise the alert to 5 on its 6-point scale indicated that all countries should "immediately" activate pandemic preparedness plans.
"This change to a higher phase of alert is a signal to governments, to ministries of health and other ministries, to the pharm industry and the business community that certain actions now should be taken with increased urgency and at an accelerated pace," Chan said.
The announcement came as the number of people infected with swine flu increased rapidly across the world, and health officials scrambled to get more information about the virus -- which has no vaccine.
Germany and Austria became the latest European countries to report swine flu on Wednesday, while the number of cases increased in the United Kingdom and Spain.
The WHO and national governments have confirmed 148 cases of swine flu in 11 countries. Most of those are in the United States, where the Centers for Disease Control and Prevention has confirmed 91 cases...
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