The Covid-19 positivity rate has also seen a rise to 7.1% this past week, versus the 5.5% figure for the past four weeks.

"We're starting to see flu activity pick up for the season," Carrie Reed, from the CDC's influenza division, told Newsweek.

A new mutation and the first severe case of H5N1 bird flu discovered in a human in Louisiana has raised concern among some ...

Previous seasonal flu infections and vaccinations may protect us against infection from the highly pathogenic H5N1 bird flu outbreak.

As flu season ramps up in the U.S., influenza is not as simple as it first appears, with several different strains in play.

Santiago/Getty Images The CDC has been tracking cases of bird flu ... that are infected or potentially infected with H5N1 avian influenza virus." Bird flu takes many forms and is widespread ...

Amid concerns over highly pathogenic avian influenza, or HPAI, Grants Pass nonprofit Wildlife Images raised their disease ...

On Wednesday, the CDC announced that a person in Louisiana has been hospitalized in critical condition with severe respiratory symptoms caused by a H5n1 avian influenza infection. The person ...

The patient has been hospitalized but the CDC says the public health risk remains low Peter Garrard Beck / Getty Images The Centers ... (highly pathogenic avian influenza, HPAI) in a resident ...

More ISTOCK / GETTY IMAGES PLUS H5N1 first ... with a severe case of avian influenza A(H5N1) virus ("H5N1 bird flu") infection in Louisiana," the CDC said in a statement at the time.

Kazakhstan said there has been a seasonal rise in reported cases of metapneumovirus (HMPV) following a spike in neighboring China.