On Wednesday, California Gov. Gavin Newsom declared a state of emergency to streamline the state's response to avian flu. More than half of the human cases in the U.S. so far have been in California.
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On Wednesday, California Gov. Gavin Newsom declared a state of emergency to streamline the state's response to avian flu. More than half of the human cases in the U.S. so far have been in California.
Listen to this story in the player on this page.