Mississippi state and federal officials have confirmed an outbreak of a strain of bird flu not reported in the U.S. since 2017, with quarantine and depopulation efforts already underway.

In a statement released March 12, the Mississippi Board of Animal Health stated that poultry from a commercial broiler breeder chicken flock in Noxubee County had tested positive for highly pathogenic avian influenza (HPAI).

"The State Veterinarian has quarantined the........

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