Category: Avian Influenza
Tracking the Threat: How a New H5N1 Virus Variant Took Hold Across Europe
Global Biodefense New genomic analyses trace the origins and spread of the EA-2023-DG H5N1 reassortant, highlighting evolving zoonotic risks and urgent surveillance needs. A new scientific study published in Emerging Infectious Diseases has mapped the emergence and spread of a novel highly pathogenic avian influenza A(H5N1) virus genotype—EA-2023-DG—across Europe. Conducted by an international team of researchers led by the […]
Jun 4, 2025
Study: Live bird flu virus can survive in raw milk for a week
Ag Daily A new lab study has found that the H5N1 avian influenza virus can remain infectious in raw milk for more than a day at room temperature and over a week when refrigerated, raising significant concerns about the potential for zoonotic transmission through unpasteurized dairy products. Published May 28 on the preprint server medRxiv, the non-peer-reviewed […]
Jun 4, 2025
Brazil not testing cows for bird flu despite dairy cases in US
Reuters Brazil has not yet tested cows for bird flu, despite hundreds of cases in the dairy herd in the U.S., because it is focusing on poultry outbreaks after its first confirmed case on a farm this month, the country’s chief veterinarian said on Tuesday. Brazil, the world’s largest chicken exporter, confirmed its first outbreak […]
May 28, 2025
China reports a new H5N1 case
China Center for Health Protection Since the previous issue of Avian Influenza Report (AIR), there was one new human caseof avian influenza A(H5N1) from Guangxi Zhuang Autonomous Region, China reportedby the World Health Organization (WHO) on 23 May 2025. From 2015 to 2024, 0 to145 confirmed human cases of avian influenza A(H5N1) were reported to […]
May 28, 2025
Cambodia reports 11-year-old boy is country’s fourth bird flu death this year
WFMJ An 11-year-old boy in Cambodia died from bird flu, the country’s fourth victim of four confirmed cases of the infection this year, the Health Ministry announced Wednesday. The ministry issued a statement saying laboratory tests from the Pasteur Institute of Cambodia confirmed the boy, who lived in a village in the western province of Kampong […]
May 28, 2025
Brazil finds bird flu in wild bird, investigates potential case on commercial farm
Reuters Brazil identified fresh bird flu cases in wild animals, which it said should not have any commercial impact, and is investigating a new potential case on a commercial farm, Agriculture Minister Carlos Favaro said on Tuesday. Brazil, the world’s largest chicken exporter, earlier this month identified a bird flu outbreak on a commercial farm […]
May 27, 2025
Bird Flu: The Next Pandemic?
Science Vs Podcast Bird flu has been in the headlines for ages, with scientists warning that we could be headed for a pandemic. But we’ve been hearing about this H5N1 virus for so long that it’s kind of starting to feel like the boy who cried wolf. So — what’s really going on with H5N1 […]
May 27, 2025
Feline avian influenza cases spark concerns
AVMA Cats are “exquisitely sensitive” to highly avian influenza virus, expert says. Since December 2022, the U.S. Department of Agriculture’s (USDA) National Veterinary Services Laboratories (NVSL) had confirmed more than 130 feline cases of highly pathogenic avian influenza (HPAI) type A H5N1 infection across the country, from California to New Jersey. They range from barn and feral […]
May 27, 2025
As Bird Flu Spreads, Vaccine Shows Promise for Protecting Cattle
Yale Environment 360 Since bird flu was first discovered in U.S. cattle last year, the virus has spread to more than 1,000 herds across the country. A new vaccine for cattle has performed well in early tests, raising hopes that it could protect livestock and help prevent an outbreak in humans. New research, which has not […]
May 21, 2025
World Crazy for Chicken Is Losing Its Biggest Supplier
Bloomberg The detection of bird flu in a single poultry farm in southern Brazil is reverberating around the world, cutting supplies to voracious consumers from China to Europe. Shipments to top destinations, which also include Mexico and South Korea, have been suspended as the world’s largest chicken exporter seeks to stop the deadly H5N1 strain […]
May 21, 2025