{"id":9056,"date":"2025-03-26T10:58:22","date_gmt":"2025-03-26T15:58:22","guid":{"rendered":"https:\/\/www.unmc.edu\/healthsecurity\/transmission\/?p=9056"},"modified":"2025-03-26T10:58:26","modified_gmt":"2025-03-26T15:58:26","slug":"a-year-later-cow-flu-origins-are-an-unsettling-puzzle","status":"publish","type":"post","link":"https:\/\/www.unmc.edu\/healthsecurity\/transmission\/2025\/03\/26\/a-year-later-cow-flu-origins-are-an-unsettling-puzzle\/","title":{"rendered":"A year later, cow flu origins are an unsettling puzzle"},"content":{"rendered":"<div class=\"panel body-content\"><div class=\"panel__container\">\n<p><a href=\"https:\/\/www.science.org\/content\/article\/mysteries-surrounding-cow-flu-have-scientists-concerned-about-future-outbreaks?fbclid=IwY2xjawJQ9TtleHRuA2FlbQIxMQABHa7sQhSzQKFEwZdLBU238t6sAv8TmwRX4MehIXK0zreBkG7bXS_nLXmV1Q_aem_-Fp_flflB147MIAlrfxmtw\">Science<\/a><\/p>\n\n\n\n<p>It&#8217;s still unclear how H5N1 virus jumped into U.S. cattle\u2014and why it keeps doing so. When U.S. Department of Agriculture (USDA) officials reported one year ago today that the H5N1 avian influenza virus had infected dairy cattle in Texas and Kansas, it seemed a freak event\u2014a rare confluence of factors that somehow allowed a bird virus to infect cows.<\/p>\n\n\n\n<p>But 10 months later, on 31 January, USDA said it had detected another jump to cattle, this time in Nevada. And 2 weeks later, another one, in Arizona.<\/p>\n\n\n\n<p>One year into the United States\u2019s cow flu outbreak, many important questions remain unanswered, including how the virus is spreading from one farm to the next. But perhaps the most basic one is how it manages to get into cattle in the first place\u2014and how often that happens. Knowing the answers is \u201creally important,\u201d says Thijs Kuiken, a wildlife pathologist at Erasmus University Medical Center, because \u201cthen you can change the system so that it doesn\u2019t happen again.\u201d<\/p>\n\n\n\n<p><a href=\"https:\/\/www.science.org\/content\/article\/mysteries-surrounding-cow-flu-have-scientists-concerned-about-future-outbreaks?fbclid=IwY2xjawJQ9TtleHRuA2FlbQIxMQABHa7sQhSzQKFEwZdLBU238t6sAv8TmwRX4MehIXK0zreBkG7bXS_nLXmV1Q_aem_-Fp_flflB147MIAlrfxmtw\">Continue reading<\/a><\/p>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Science It&#8217;s still unclear how H5N1 virus jumped into U.S. cattle\u2014and why it keeps doing so. When U.S. Department of Agriculture (USDA) officials reported one year ago today that the H5N1 avian influenza virus had infected dairy cattle in Texas and Kansas, it seemed a freak event\u2014a rare confluence of factors that somehow allowed a [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[37],"tags":[],"class_list":["post-9056","post","type-post","status-publish","format-standard","hentry","category-avian-influenza"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.unmc.edu\/healthsecurity\/transmission\/wp-json\/wp\/v2\/posts\/9056","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.unmc.edu\/healthsecurity\/transmission\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.unmc.edu\/healthsecurity\/transmission\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.unmc.edu\/healthsecurity\/transmission\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/www.unmc.edu\/healthsecurity\/transmission\/wp-json\/wp\/v2\/comments?post=9056"}],"version-history":[{"count":1,"href":"https:\/\/www.unmc.edu\/healthsecurity\/transmission\/wp-json\/wp\/v2\/posts\/9056\/revisions"}],"predecessor-version":[{"id":9057,"href":"https:\/\/www.unmc.edu\/healthsecurity\/transmission\/wp-json\/wp\/v2\/posts\/9056\/revisions\/9057"}],"wp:attachment":[{"href":"https:\/\/www.unmc.edu\/healthsecurity\/transmission\/wp-json\/wp\/v2\/media?parent=9056"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.unmc.edu\/healthsecurity\/transmission\/wp-json\/wp\/v2\/categories?post=9056"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.unmc.edu\/healthsecurity\/transmission\/wp-json\/wp\/v2\/tags?post=9056"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}