Bird Flu Revealed to Thrive in Fever as US Reports First Human H5N5 Death
Summary
New research found that bird flu viruses can survive at high temperatures like those caused by fever. The United States reported its first human death from the H5N5 bird flu strain. The research shows why bird flu can be more dangerous to humans compared to typical flu viruses.Key Facts
- Bird flu viruses can replicate at higher temperatures, which typically help the body fight off most viruses.
- An individual in Washington, U.S., died from the H5N5 bird flu strain, marking the first recorded human case globally.
- The Centers for Disease Control and Prevention (CDC) confirmed the virus variant.
- The public risk remains low, but officials are monitoring people who were in close contact with the patient to check for symptoms.
- Researchers identified a gene important in setting how viruses respond to temperature changes.
- The study used mice to show that fever could stop human flu viruses but not bird flu viruses.
- In native hosts like ducks and seagulls, bird flu viruses infect the gut, where the temperature is naturally high.
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