Additional Information Return to top The researchers hope their work will bring key players to the table to consider the next steps. Better known as the bird flu, avian influenza is a group of flu viruses that is well adapted to birds. Instead, the virus sort of simmered through the summer months, she adds, "and then we get into the cooler, wetter months of the fall and we see a resurgence. The U.S. Department of Agriculture said the avian influenza A virus has been detected in mammals such as skunks, bears, a raccoon and a red fox. Avian Influenza. Questions? Record avian flu outbreak is threatening North America's - Science The same strain had caused a wave of bird flu outbreaks across Europe and Asia. IE 11 is not supported. hide caption. You will be subject to the destination website's privacy policy when you follow the link. The data also reveals a shift from a seasonal to a year-round disease. An outbreak of avian influenza in seabirds in the Gambia could affect vast numbers of birds migrating along the East Atlantic Flyway, unless international funding is secured, warn conservationists. Months earlier, the bird flu outbreak drove the cost of turkey meat to record highs. "This high pathogenic virus is wiping out everything in numbers that we've never seen before," Mullinax said. Many migratory bird species travel thousands of miles between continents, posing a continuing risk of AI virus transmission. Many migrating birds are not sickened by bird flu, which means its not well understood just how widespread it is in the wild, Lorenzoni added. You can review and change the way we collect information below. .chakra .wef-facbof{display:inline;}@media screen and (min-width:56.5rem){.chakra .wef-facbof{display:block;}}You can unsubscribe at any time using the link in our emails. A University of Maryland (UMD)-led team of researchers tracked the arrival and progression of the deadly bird flu (H5N1) in North America to determine how this outbreak is different from previous ones. At least 50.54 million birds have died this year from the Avian flu, according to new data from the U.S. Department of Agriculture.. Why it matters: This represents the highest amount of deaths of chickens, turkeys and other birds since 50.5 million died from an outbreak in 2015, according to Reuters. The virus has been detected in a broad array of wild birds and in diverse mammals, including badgers, black bears, bobcats, coyotes, ferrets, fisher cats, foxes, leopards, opossums, pigs, skunks and sea lions. An outbreak of highly pathogenic avian influenza (HPAI) in chicken and turkey flocks has spread across 24 U.S. states since it was first detected in Indiana on Feb. 8, 2022. The more than 50,000 mink at the facility were killed and their carcasses destroyed. With all those replications, it can accumulate a lot of different changes. The H5N1 avian influenza virus is causing the largest bird flu outbreak in history, infecting millions of birds and a growing range of mammal species. The most important mutational changes affect the tissue tropism of the virus its ability to infect a specific part of the body. The virus can take commercial poultry farms out of commission for extended periods. Avoid contact with wild or domestic birds that appear ill or have died and call to report sick or dead birds. Avian influenza vaccines can reduce clinical signs, sickness and death rates in domestic poultry, but they would not prevent birds from becoming infected with the virus. Saving Lives, Protecting People, Current U.S. Bird Flu Situation in Humans. Learn more about the latest avian influenza situation in the United States and globally. The best way to stop the spread of the disease is if we eliminate all the birds that are in close contact with the contaminated birds.. Highly Pathogenic Avian Influenza (HPAI) Highly pathogenic avian influenza (HPAI) viruses can severely affect domestic animal, wildlife, and sometimes human health.. Outbreaks of Eurasian lineage highly pathogenic avian influenza viruses have been impacting domestic poultry and wild bird populations in Europe and Asia since August 2020.
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