Category: Avian Influenza
H5N1 influenza virus stability and transmission risk in raw milk and cheese
Nature Highly pathogenic avian influenza H5N1 viruses have recently spread to dairy cattle, with high levels of virus detected in milk from affected animals, raising concern about the risk posed by unpasteurized dairy products consumed by humans. Here we evaluated H5N1 virus persistence in raw-milk cheeses (n = 3 per condition) made with milk acidified to pH […]
Oct 15, 2025
Bird flu virus survives in raw-milk cheese for months
Medical News.net A new study published in Nature Medicine reveals that highly pathogenic avian influenza virus can remain infectious for up to 120 days under certain pH conditions in raw-milk cheese produced from contaminated milk. This finding raises serious public health concerns, as contaminated raw-milk products can potentially increase human exposure to the virus. The highly pathogenic […]
Oct 15, 2025
After a summer respite, bird flu is back
NBC Bird flu is spreading again as water fowl migrate. In poultry, cases are spiking earlier than expected, so some state officials are bracing for a challenging autumn. It was a quiet summer for bird flu: Egg prices fell a bit, fewer sick poultry flocks were culled on farms, and officials took a breath. “It […]
Oct 15, 2025
With milk testing and new tools, UW scientists are helping prevent bird flu outbreaks in Wisconsin and beyond
Univ of Wisconsin On a recent Thursday morning, Becky was hard at work at the University of Wisconsin–Madison’s Wisconsin Veterinary Diagnostic Laboratory (WVDL). A few test tubes at a time, hundreds of milk samples were carefully poured, measured and prepared for testing. Becky doesn’t wear a typical lab coat or safety glasses. Why? Because Becky […]
Oct 15, 2025
France reports bird flu outbreak on northern farm
Reuters France has confirmed an outbreak of highly pathogenic avian influenza, or bird flu, on a farm in the north of the country, authorities said, as Europe faces a seasonal upturn in the deadly disease. The virus was detected at a pheasant and partridge breeding farm in the village of Pihen-Les-Guines, near the port town of Calais, […]
Oct 15, 2025
More HPAI reported in Minnesota, Utah, British Columbia
Watt Poultry New cases of highly pathogenic avian influenza (HPAI) in commercial poultry have been reported in the United States and Canada. Those include three flocks in Minnesota, two in Utah and one in British Columbia. Avian influenza in Minnesota The United States Department of Agriculture (USDA) Animal and Plant Health Inspection Service reported that the presence […]
Oct 15, 2025
Denmark to cull 150,000 chickens after bird flu outbreak
Reuters Denmark will cull 150,000 chickens after detecting an outbreak of the highly contagious H5N1 bird flu virus in a flock in the southeastern part of the country’s Jutland peninsula, the Danish Veterinary and Food Administration said on Wednesday. The agency said in a statement the outbreak is the first in a Danish poultry flock […]
Oct 8, 2025
New bird flu outbreaks reported in poultry across 3 midwestern states
DVM 360 With Nebraska seeing its first case of highly pathogenic avian influenza (H5N1) in dairy cattle last month, state officials in 3 midwestern states have now reported new outbreaks of H5N1 in poultry on commercial farms. The cases were detected in Iowa, Minnesota, and Wisconsin, and are not the first for any of these states. […]
Oct 8, 2025
Netherlands to cull 71,000 chickens after bird flu case
The Poultry Site The Netherlands will cull around 71,000 chickens at a poultry farm in the northern part of the country following the detection of bird flu, Reuters reported, citing a government statement on Tuesday. This marks the first outbreak of bird flu in the Netherlands since March of this year. The government has so far […]
Oct 8, 2025
Bird flu persists in raw milk cheese, study demonstrates
Medical Express Raw milk cheese products contained infectious avian influenza virus when made with contaminated raw milk, creating potential health risks for consumers, according to a new study. The study is published in Nature Medicine. “In this study, we were specifically looking at the stability or persistence of highly pathogenic avian influenza H5N1 in raw milk cheese products,” said senior author Diego Diel, professor […]
Oct 8, 2025