New Mutations Identified in Bird Flu Virus NYT: Science By: Apoorva Mandavilli and Emily Anthes 3 May 2024 at 16:31 A genetic analysis sheds light on when the outbreak began, how the virus spread and where it may be going. Β© Eye of Science/Science SourceA color-enhanced transmission electron microscope image of bird flu viruses.
Pasteurized Dairy Foods Free of Live Bird Flu, Federal Tests Confirm NYT: Science By: Noah Weiland and Linda Qiu 1 May 2024 at 19:54 But the scope of the outbreak among cattle remains uncertain, and little human testing has been done. Β© Hans Pennink/Associated PressThe Food and Drug Administration said regulators had examined 201 commercial dairy samples, including milk, cottage cheese and sour cream, and had so far not found evidence that potentially infectious virus was on grocery shelves.
Dairy Cows Transported Between States Must Now Be Tested for Bird Flu NYT: Science By: Noah WeilandοΌ Benjamin Mueller and Emily Anthes 24 April 2024 at 16:36 Since a new form of bird flu arrived in 2022, federal officials have sought to reassure Americans that the threat to the public remained low. Β© Patrick T. Fallon/Agence France-Presse β Getty ImagesThe C.D.C. maintained Wednesday that the risk for the public was still low, with no changes in the genetic makeup of the virus that would allow it to spread more easily to or between humans.
Bird Flu Outbreak in Cattle May Have Begun Months Earlier Than Thought NYT: Science By: Apoorva Mandavilli 24 April 2024 at 07:35 A single spillover, from a bird to a cow, led to the infections, a review of genetic data has found. Β© Jim Vondruska/ReutersThe U.S.D.A. announced last month that dairy cattle in Texas and Kansas had tested positive for the bird flu virus, called H5N1. It has since reported cases in dozens of herds in eight states.
Scientists Fault Federal Response to Bird Flu Outbreaks on Dairy Farms NYT: Science By: Apoorva Mandavilli and Emily Anthes 20 April 2024 at 10:18 Officials have shared little information, saying the outbreak was limited. But asymptomatic cows in North Carolina have changed the assessment. Β© Jim Vondruska/ReutersSo far, bird flu in cattle seems to affect only lactating cows, and only temporarily. There have been no diagnoses in calves, pregnant heifers or beef cows, and no deaths.