Category: Avian Influenza
Where Did Bird Flu Go?
American Scientific Bird flu was nearly everywhere in the U.S.—in chickens, cows, pet cats and even humans. Cases have gone down, but experts warn that it hasn’t disappeared. For months, bird flu was seemingly everywhere in the U.S.: news headlines reported the highly pathogenic H5N1 avian influenza virus was rapidly sweeping through hundreds of herds of dairy cattle […]
Jul 30, 2025
The Invisible Toll of Bird Flu on Wildlife
Scientific American Bird flu fears have focused on the poultry and dairy industries and human health. But wild animals are threatened, too—at scales no one fully understands. 25,669 Northern Gannets in Canada.134 harbor and gray seals along the coast of Maine.21 California Condors in the western U.S. These are just a tiny fraction of the […]
Jul 30, 2025
This is How We Fight Bird Flu If H5N1 Becomes the Next Human Pandemic
Scientific American This San Antonio, Tex., lab takes biosecurity seriously. Suit up with its scientists and go behind the scenes of the science of vaccine creation. This is the final episode of our three-part series on bird flu. Episode 1 Episode 2 Episode 3 On Wednesday, we met scientists who are getting their hands dirty with […]
Jul 30, 2025
How Bird Flu Became a Human Pandemic Threat
Scientific American The first hints that a new strain of avian illness is emerging could be found on this beach on Delaware Bay, where migrating birds flock. Here’s what virus detectives who return there every year know right now. H5N1 bird flu has been making a lot of headlines since last year, and for good […]
Jul 30, 2025
What Would It Take for Bird Flu to Spread among Humans?
Scientific American H5N1 avian influenza has long been a concerning virus. Since its discovery in 1996 in waterfowl, bird flu has occasionally caused isolated human cases that have quite often been fatal. But last year H5N1 did something strange: it started infecting cattle. The absolute oddity of this leap may have been somewhat lost in the flood of […]
Jul 30, 2025
Cambodia reports 14th human H5N1 bird flu infection in 2025
BNO News Cambodia has confirmed a new human case of H5N1 avian influenza in a 26-year-old man who is currently receiving intensive medical treatment, according to health officials. It is the country’s 14th confirmed human case of H5N1 this year. The man, from Kravan village in Siem Reap Province, tested positive for the virus on […]
Jul 30, 2025
Is Bird Flu Gone for Good?
Johns Hopkins U.S. bird flu infections have declined in both birds and mammals, prompting CDC to shift from weekly to monthly reporting. But is the outbreak really over? It’s not unusual for wild birds to be infected by influenza viruses. But the strain of highly pathogenic avian influenza that began causing outbreaks in the U.S. in […]
Jul 23, 2025
New study advances theory on why most U.S. bird flu cases have so far been mild
STAT Researchers believe immunity to an earlier virus may play a role, but not everyone agrees. The H5N1 bird flu virus has historically extracted a heavy toll when it infects humans, with nearly half of confirmed cases ending in death over the past three decades. But of the 70 cases reported in the United States over the […]
Jul 23, 2025
Cambodia reports 13th human case of H5N1 bird flu this year
BNO Cambodia has confirmed a new human case of H5N1 bird flu in a 6-year-old boy who is currently in intensive care, according to health officials. It is the country’s 13th confirmed human case in 2025. The child, from Bos Russey village in Tbong Khmum province, tested positive for H5N1 avian influenza on Monday. He […]
Jul 23, 2025
The impact of highly pathogenic avian influenza H5N1 virus infection on dairy cows
Nature Highly pathogenic avian influenza (HPAI) H5N1 virus has been associated with severe mastitis in dairy cows, leading to decreased milk production. Here we investigated the impact of H5N1 virus infection in health and production parameters in an affected dairy herd in Ohio. Clinical disease, which lasted for about three weeks, was recorded in 20.0% […]
Jul 16, 2025