{"id":10784,"date":"2025-11-12T14:59:51","date_gmt":"2025-11-12T20:59:51","guid":{"rendered":"https:\/\/www.unmc.edu\/healthsecurity\/transmission\/?p=10784"},"modified":"2025-11-12T14:59:53","modified_gmt":"2025-11-12T20:59:53","slug":"symptom-free-h5n1-infection-in-humans-evidence-remains-scarce","status":"publish","type":"post","link":"https:\/\/www.unmc.edu\/healthsecurity\/transmission\/2025\/11\/12\/symptom-free-h5n1-infection-in-humans-evidence-remains-scarce\/","title":{"rendered":"Symptom-free H5N1 infection in humans: Evidence remains scarce"},"content":{"rendered":"<div class=\"panel body-content\"><div class=\"panel__container\">\n<p><a href=\"https:\/\/medicalxpress.com\/news\/2025-11-symptom-free-h5n1-infection-humans.html\">Medical Express<\/a> Researchers at the US Centers for Disease Control and Prevention (CDC) have identified a few instances of asymptomatic human infection with avian influenza A (H5N1) virus. Widespread in&nbsp;<a href=\"https:\/\/medicalxpress.com\/tags\/wild+birds\/\">wild birds<\/a>&nbsp;worldwide, H5N1 has been causing outbreaks in poultry for several years. Recent &#8220;egg-flation&#8221; price increases for eggs in the US were largely due to a disruption of the egg supply chain caused by the virus, which forced the culling of entire farm flocks to prevent further spread.<\/p>\n\n\n\n<p>Since the first recorded human cases in 1997, more than a thousand people have been infected with the highly pathogenic H5N1 strain across 25 countries. According to the CDC, the mortality rate from H5N1 observed globally has been around 50%. Most cases have been traced to exposure to infected poultry, with recent cases in U.S. dairy cows linked to several recent human cases.<\/p>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Medical Express Researchers at the US Centers for Disease Control and Prevention (CDC) have identified a few instances of asymptomatic human infection with avian influenza A (H5N1) virus. Widespread in&nbsp;wild birds&nbsp;worldwide, H5N1 has been causing outbreaks in poultry for several years. Recent &#8220;egg-flation&#8221; price increases for eggs in the US were largely due to 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-10784","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\/10784","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=10784"}],"version-history":[{"count":1,"href":"https:\/\/www.unmc.edu\/healthsecurity\/transmission\/wp-json\/wp\/v2\/posts\/10784\/revisions"}],"predecessor-version":[{"id":10785,"href":"https:\/\/www.unmc.edu\/healthsecurity\/transmission\/wp-json\/wp\/v2\/posts\/10784\/revisions\/10785"}],"wp:attachment":[{"href":"https:\/\/www.unmc.edu\/healthsecurity\/transmission\/wp-json\/wp\/v2\/media?parent=10784"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.unmc.edu\/healthsecurity\/transmission\/wp-json\/wp\/v2\/categories?post=10784"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.unmc.edu\/healthsecurity\/transmission\/wp-json\/wp\/v2\/tags?post=10784"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}