CDC Online Newsroom

The state of Colorado has announced that three people have tested presumptive positive for highly pathogenic avian influenza (HPAI) A(H5) ("H5 bird flu") virus infection.

A human case of highly pathogenic avian influenza (HPAI) A(H5) ("H5 bird flu") virus infection in the United States has been identified in the state of Colorado.

Today, CDC recommended the updated 2024-2025 COVID-19 vaccines and the updated 2024-2025 flu vaccines to protect against severe COVID-19 and flu this fall and winter.

For the upcoming respiratory virus season, CDC recommends everyone age 75 and older receive the RSV vaccine.

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A second human case of highly pathogenic avian influenza (HPAI) A(H5) virus infection has been identified in the state of Michigan.

A second human case of highly pathogenic avian influenza (HPAI) A(H5) virus infection has been identified in the state of Michigan.