EDINBURGH, Scotland, June 11 (UPI) -- U.S., Chinese and British researchers say the H1N1 swine flu virus was transmitted to humans long before the existing outbreak was noticed.
WINDSOR, England, May 29 (UPI) -- Britain's Eton College, founded by King Henry VI nearly 570 years ago, was closed Friday after a student tested positive for swine flu, officials said.
LOS ANGELES, April 27 (UPI) -- Overblown fears of a U.S. swine flu pandemic in 1976 resulted in an enduring public backlash against mass vaccinations, historians say.
GENEVA, Switzerland, April 25 (UPI) -- A swine flu virus that has killed at least 68 people in Mexico has the potential to become a pandemic, international health officials said Saturday.