The highly contagious bird flu has hit Montgomery County, Maryland, where officials say a backyard flock of chickens tested positive for the virus, making it the first case of a homeowner’s birds having the virus in Maryland this year and bringing the number of cases in the D.C. region to 11.

A highly contagious strain of avian influenza has been detected in a Montgomery County backyard flock, prompting quarantines and immediate depopulation of affected birds, state officials announced. Laboratory testing confirmed the presence of highly pathogenic H5N1 avian influenza (HPAI),

Health officials have confirmed the presence of H5N1 (bird flu) in a backyard poultry flock in San Mateo County. The county said that while there are no current human cases of bird flu, this detection of the disease highlights the risk to “anyone who handles,