Heart Disease: America's Top Killer

A farmworker in Michigan experiencing respiratory symptoms marks the third human case of H5N1.

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H5N1 is adapting in ways that increase its risk to humans, indicating our failure to contain it early on.

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The virus has spread to dairy cattle across nine states, affecting 69 herds.

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The most recent human case showed respiratory symptoms, indicating a potential shift in the virus's impact.

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Comprehensive testing, particularly serology testing, has been virtually non-existent, hampering outbreak understanding.

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Undetected cases among asymptomatic people may contribute to the virus's spread in farming communities.

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The USDA has been slow to share crucial virus sequence data from animals, complicating efforts to track the outbreak.

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