The recent detection of H5N1 bird flu in U.S. cattle and a dairy worker contracting the virus is concerning, as federal health officials emphasize diligent monitoring but urge a departure from reassurances. The virus has now shown inter-mammalian transmission among dairy cows, raising concerns about further evolution for efficient human transmission. Current vaccines are not designed for this strain, and antiviral drugs face logistical barriers. Rapid investment in diagnostic testing is crucial, and President Biden’s focus on infrastructure could enhance defenses against infectious diseases. Complacency is not an option, and urgent action is needed to safeguard public health.
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A call to action on evolving risk to humans
