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Bird flu: Person with rare strain in US sparks alarm about cow transmission

BMJ 2024; 385 doi: https://doi.org/10.1136/bmj.q797 (Published 04 April 2024) Cite this as: BMJ 2024;385:q797
  1. Mun-Keat Looi
  1. The BMJ

A person in Texas has contracted a rare form of bird flu in the second ever human case recorded in the US.

The patient appears to have contracted it from dairy cows—the first time the H5N1 virus has been found in cattle—sparking fears about a new mutation.

Texas’s Department of State Health Services has said that the patient’s only symptom is conjunctivitis, a common symptom of bird flu. The patient is being treated with the antiviral oseltamivir (Tamiflu).

The US Department of Agriculture has said that the risk to the …

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