马萨诸塞州后院鸡中证实有禽流感;羊群安乐死,没有人类病例。 Bird flu confirmed in Massachusetts backyard chickens; flock euthanized, no human cases.

在马萨诸塞州的一个后院养鸡群中,禽流感或禽流感已经得到证实,促使官员将整个群体安乐死,以防止进一步蔓延。 Avian influenza, or bird flu, has been confirmed in a backyard chicken flock in Massachusetts, prompting officials to euthanize the entire group to prevent further spread. 疫情在州西部的一小群小羊群中被发现,州和联邦机构正在不断进行监测。 The outbreak was detected in a small flock in the western part of the state, and state and federal agencies are conducting ongoing surveillance. 没有报告任何人类案件。 No human cases have been reported. 当局正在敦促家禽所有者加强生物安保措施,并报告鸟类生病的迹象。 Authorities are urging poultry owners to enhance biosecurity measures and report any signs of illness in birds.