CDC Confirms Human Cases of H5 Bird Flu Among Colorado Poultry Workers

Published on July 14, 2024

Four human cases of highly pathogenic avian influenza (HPAI) A(H5) ("H5 bird flu") virus infection in the state of Colorado have been confirmed by the Centers for Disease Control and Prevention (CDC). This includes all three presumptive-positive cases reported by that state on Friday, July 12 and a fourth specimen that was later found to be presumptive-positive by the state on Friday.

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Colorado Reports Three Presumptive Positive H5 Cases in Poultry Workers

July 12, 2024
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.

Study shows promise for a universal influenza vaccine

July 19, 2024
New research reveals a promising approach to developing a universal influenza vaccine -- a so-called 'one and done' vaccine that confers lifetime immunity against an evolving virus. The study tested a vaccine platform against the virus considered most likely to trigger the next pandemic.