A highly pathogenic strain of avian influenza has been detected in a backyard flock in Anne Arundel County, prompting state officials to quarantine the affected premises and depopulate the birds to prevent the disease from spreading,

Maryland’s sixth case of bird flu was detected in a backyard flock in Anne Arundel County, officials announced on Wednesday.

Maryland researchers study science of bird flu

A new case of bird flu was reported in Maryland — the seventh known case but the first in central Maryland. The most recent case is affecting a backyard flock in Anne Arundel County.