Why do some people develop severe flu symptoms? A study points the finger at an unsung portion of the antibodies our immune systems generate to fend off invading pathogens.

woman with incurable cancer dies, fight continues to get provincial funding for expensive drug treatment The family of a young Kitchener ... hospital has Canada's first human case of H5N1 avian flu.

Cases of H5N1 bird flu in U.S. dairy and poultry workers have largely been mild. However, a new case in a British Columbia ...

Experts and health authorities say that while the risk of human infection with the H5N1 strain of the avian influenza remains ...

Health officials were struggling to answer a broader and potentially worrisome question: how the infection occurred.

Flu season impacts everyone, including doctors. When physicians themselves get struck down, here are the tricks they use to ...

China has reported seven more H9N2 avian flu infections in humans ... An intervention to reduce antibiotic treatment of ...

China has reported seven more H9N2 avian flu infections in humans, mostly involving children and all in people whose symptoms ...

A Canadian teenager is hospitalized in critical condition with suspected bird flu, health officials reported Tuesday.

It’s possible to catch a cold or get the flu at any time of year. But the chances of becoming sick increase during cold and ...

Bird flu (H5N1) has been spreading across the country, among both animals and people, since April of this year. As the ...

Dr. Robert Jacobson, medical director for Mayo Clinic's Primary Care Immunization Program, clears up some misconceptions about COVID-19 and the flu.