Bird Flu Outbreaks in Mammals Double, Raising Human Risk: Report
- An international agency reported on May 23 that the number of bird flu outbreaks in mammals worldwide more than doubled last year, reaching 1,022 cases across 55 countries.
- This increase followed a rising spread of avian influenza, driven by factors such as climate change pushing species into new areas and the virus mutating, which raises concerns about zoonotic risks.
- Affected mammals include cattle, dogs, and cats, and the report noted that over 630 million birds have died or been culled from bird flu in the last two decades, with outbreaks destabilizing agriculture and trade.
- WOAH Director General Emmanuelle Soubeyran expressed concern about the changing epidemiological patterns of the virus and highlighted that antibiotic resistance remains a significant threat to global health.
- Although the risk to humans remains generally low, the increase in bird flu cases among mammals raises concerns that the virus may evolve to enable transmission between people, highlighting the importance of vaccination and enhanced disease control measures.
21 Articles
21 Articles


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Major Increase in Bird Flu Cases Among Mammals
The number of cases of bird flu in mammals doubled last year compared to 2023. This was reported by the World Organisation for Animal Health (WOAH) in a report on the state of global animal health. In 2024, bird flu was detected 1,022 times in a mammal. In 2023, this was 459 times. The vast majority of cases involved cattle in the United States. It is not clear how many mammals were infected with the virus in the years before 2023: this is the f…


Bird flu outbreaks in mammals double, raising human risk: Report
PARIS: Outbreaks of bird flu in mammals more than doubled across the world last year, raising the risk that the virus could potentially spread between humans, an international agency warned on Friday (May 23). Avian influenza has spread across the world like never before in the last few years, leading
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