Here's what you need to know about the 2022 outbreak in the U.S.: The losses stretch across the U.S., and they're deepest in the country's middle: More than 1 million birds have been killed in each of 11 states that stretch from Utah to the Midwest and on to Delaware, according to the U.S. Department of Agriculture. Rescued chickens gather in an aviary at Farm Sanctuary's Southern California Sanctuary on Oct. 5 in Acton, Calif. A wave of the highly pathogenic H5N1 avian flu has entered Southern California, driven by wild bird migration. Better known as bird flu, avian influenza is a family of highly contagious viruses that are not harmful to wild birds that transmit it, but are deadly to domesticated birds. Why this bird flu is different: Scientists say new avian influenza requires urgent coordinated response. Have any problems using the site? Previous outbreaks of avian influenza -- whether low pathogenic virus that is endemic in the U.S. or highly pathogenic H5N8 in 2015 -- typically occurred in the fall, which meant farmers could . The patient recovered after experiencing a few days of fatigue. But the disease was eradicated in North America that same year, largely because it did not seriously impact wild birds, which made containment through culling poultry relatively easy. Government officials are studying infections atturkey farms, in particular, in hopes of developing new recommendations for preventing infections. March 6, 2023. said Jennifer Mullinax, assistant professor in the UMD Department of Environmental Science & Technology and a co-author of the study. CDC is not responsible for Section 508 compliance (accessibility) on other federal or private website. The spread of bird flu viruses from one infected person to a close contact has occurred rarely in other countries in the past, and when it has happened, it has been limited and not sustained,and didnotspread beyond close contacts. https://www.pbs.org/newshour/nation/what-consumers-need-to-know-about-the-avian-flu-outbreak, As avian flu spreads, North American zoos take precautions to protect birds, Americans may soon pay more for milk, cheese as rising heat stresses livestock, For Midwest farmers, floodwaters threaten millions in crop and livestock losses, outbreak of highly pathogenic avian influenza, depression, coughing and sneezing and sudden death, the risk to public health from this outbreak is low, last H5N1 outbreak in the U.S. in 2014 and 2015, travel thousands of miles between continents, eradicate HPAI quickly after it is detected. But humans also live in high densities in many cities around the world, providing the virus similar tinder should a human-compatible variant arise. Once viruses are in cells, they may be able to produce copies of themselves, at which point an infection has been achieved. 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. This article is republished from The Conversation under a Creative Commons license. In addition, more than 58 million domestic poultry were infected or had to be culled to limit the spread of infection in the U.S. and 7 million in Canada. "For whatever reason, turkeys and layer birds tend to be more susceptible" to the virus, says Amy Hagerman, an assistant professor at Oklahoma State University who specializes in agricultural economics. Johanna A Harvey, Jennifer M. Mullinax, Michael C. Runge, Diann J. Prosser. Thank you for taking the time to confirm your preferences. April 14, 2023. In January, Insider's George Glover explained the egg crisis facing Americans as prices surged by almost 60% in 2022 due to the influenza outbreak.
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