The ascension of Robert F. Kennedy Jr., a longtime anti-vaccine activist, to the nation’s top health post has alarmed medical ...

People have been hearing a lot about H5N1 bird flu -- or highly pathogenic avian influenza -- since a B.C. teen became the ...

H5N1 avian influenza, more commonly known as bird flu, has infected more than 100 million birds in the U.S. and almost 500 ...

The H5N1 flu that has been circulating widely among birds and cattle this year is one of the avian flu strains known as ...

Although H5N1 causes symptoms similar to seasonal flu, such as cough, fever, shortness of breath, headache, muscle pain, sore ...