The winter flu season features two types of influenza. Here's what you need to know about them and how they differ.

For the first time since 1952, publication of the CDC's Morbidity and Mortality Weekly Report was halted. It returned on Feb.

The CDC's Morbidity and Mortality Weekly Report ( MMWR) resumed publishing after an unprecedented 2-week hiatus, but without ...

A dairy worker in Nevada has been infected with a strain of H5N1 bird flu—genotype D1.1—that has newly spilled over to cows, ...

Close to 8% of visits for respiratory illness to outpatient providers, including urgent cares and doctors offices, reported to the CDC this week ... record surge of H5N1 bird flu in poultry ...

A dairy worker in Nevada has reportedly been infected by the killer variant of H5N1 bird flu; analysis shows changes in new ...

A second subtype of H5 bird flu, known as D1.1, was detected in dairy cattle and infected one worker in the US state of ...

The newer variant of avian influenza that recently infected dairy cattle in Nevada has a genetic change that’s thought to ...

As bird flu spread among animals soars in the United States, hospitals are being told to proactively screen for potential ...

A new variant of avian influenza affecting dairy cattle in Nevada has a genetic mutation that could make it easier for the ...

A branch of the H5N1 bird flu family tree that hadn't previously been seen in cattle has now been detected in dairy cows.

The soaring price of eggs is a ripple effect of an ongoing outbreak of avian influenza, also known as H5N1 or bird flu, which ...