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H5N1 D1.1 spread through North American wild birds as surveillance tracked a fast-moving 2024 wave
A Nature Medicine brief communication says a newly classified H5N1 reassortant, D1.1, spread rapidly through wild birds across North America during the 2024 fall migration, displacing earlier A(H5) genotypes in several fl
Key Takeaways
- Nature Medicine reports that genotype D1.1 was first detected in September 2024 and spread rapidly during fall migration.
- The study says D1.1 displaced earlier A(H5) genotypes across several North American flyways.
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DT Editorial Team··via nature.com