Map of bird flu infections in U.S. states

New strain of bird flu found in California: Current status in maps U.S. officials investigate new strain of bird flu for first time. We breakdown where the disease is in maps. Janet Loehrke USA TODAY

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During the past three years, bird flu has been reported in more than 145 million birds in 618 counties and all 50 states, according to CDC data as of Jan. 24.

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