CDC: Flu shot less effective this year

This year’s flu vaccine is not as effective against the current strain of the influenza virus because the virus has mutated, the U.S. Centers for Disease Control and Prevention said Wednesday in an advisory to doctors. The advisory said 52% of the 85 influenza...

Flu shot warning

The flu vaccine may not be very effective this winter, according to U.S. health officials who worry this may lead to more serious illnesses and deaths. As flu season begins to ramp up, officials say the vaccine does not protect well against the dominant strain seen...

More details expected on avian flu outbreak

Officials with the Canadian Food Inspection Agency are expected to release more details on an avian flu virus that has forced the quarantine of four poulty farms in British Columbia’s Fraser Valley. The Canadian Food Inspection Agency is also waiting for test...