US Swine Flu Cases Hit 50:Swine Flu Epidemic Enters Dangerous Phase

The swine flu epidemic entered a dangerous new phase Monday as the death toll climbed in Mexico and the number of suspected cases there and in the United States nearly doubled.
California and Texas confirmed new cases, and New Jersey and North Carolina joined the growing list of states with suspected swine flu cases.The World Health Organization raised its alert for the new strain of swine flu by one level, two levels short of declaring a full pandemic...