The US is entering a riskier season for spread of H5N1 bird flu. Here’s why experts are worried
By Brenda Goodman, CNN (CNN) — With the approach of fall and cooler weather across the United States, officials say the risk posed by the H5N1 bird flu virus could rise — and they’re taking steps to prevent the creation of a hybrid flu virus that could more easily infect humans. Fall and winter months
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