Our Changing World: Getting ready for H5N1 bird flu

June 24th, 2025

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Highly pathogenic H5N1 bird flu has been around since the 1990s, but the current bird flu pandemic started in Asia in 2020, when a low pathogenic strain mutated into a high pathogenic strain called H5N1 2.3.4.4b. Read more about this on the RNZ news story: https://www.rnz.co.nz/news/ourchangingworld/564326/our-changing-world-getting-ready-for-h5n1-bird-flu