{"id":11771,"date":"2026-04-01T16:00:45","date_gmt":"2026-04-01T21:00:45","guid":{"rendered":"https:\/\/www.unmc.edu\/healthsecurity\/transmission\/?p=11771"},"modified":"2026-04-01T16:00:49","modified_gmt":"2026-04-01T21:00:49","slug":"covid-19-variant-ba-3-2-is-spreading-quickly-across-us-a-doctor-explains-what-you-need-to-know","status":"publish","type":"post","link":"https:\/\/www.unmc.edu\/healthsecurity\/transmission\/2026\/04\/01\/covid-19-variant-ba-3-2-is-spreading-quickly-across-us-a-doctor-explains-what-you-need-to-know\/","title":{"rendered":"COVID\u201119 variant BA.3.2 is spreading quickly across US \u2013 a doctor explains what you need to\u00a0know"},"content":{"rendered":"<div class=\"panel body-content\"><div class=\"panel__container\">\n<p><a href=\"https:\/\/theconversation.com\/covid-19-variant-ba-3-2-is-spreading-quickly-across-us-a-doctor-explains-what-you-need-to-know-279447\">The Conversation<\/a> A&nbsp;<a href=\"http:\/\/dx.doi.org\/10.15585\/mmwr.mm7510a1\">variant of COVID-19 called BA.3.2<\/a>, which has circulated under the radar since late 2024, is now spreading quickly across the United States.<\/p>\n\n\n\n<p>As a&nbsp;<a href=\"https:\/\/www.uvahealth.com\/providers\/Kyle-Enfield-1457379869\">pulmonary and critical care doctor<\/a>, I see many patients who are at high risk for severe COVID-19 due to&nbsp;<a href=\"https:\/\/www.lung.org\/lung-health-diseases\/lung-disease-lookup\/chronic-lung-disease\">chronic lung disease<\/a>, as well as patients living with&nbsp;<a href=\"https:\/\/theconversation.com\/many-people-are-tired-of-grappling-with-long-covid-here-are-some-evidence-based-ways-to-counter-it-201451\">long COVID<\/a>. All of them ask me how worried they should be about new variants of the virus.<\/p>\n\n\n\n<p>There\u2019s no sign so far that BA.3.2, nicknamed Cicada, is any more dangerous or causes more severe disease than the variants that were circulating in the winter of 2025-26. But because it\u2019s&nbsp;<a href=\"https:\/\/doi.org\/10.1016\/j.nmni.2026.101727\">significantly different from them<\/a>, the current COVID-19 vaccine may not be as effective against it.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Where did the BA.3.2 variant come from?<\/h2>\n\n\n\n<p>BA.3.2 is descended from&nbsp;<a href=\"https:\/\/theconversation.com\/will-omicron-the-new-coronavirus-variant-of-concern-be-more-contagious-than-delta-a-virus-evolution-expert-explains-what-researchers-know-and-what-they-dont-169020\">the omicron variant<\/a>, which emerged in late 2021.<\/p>\n\n\n\n<p>Compared to the current predominant strains of SARS-CoV-2, the virus that causes COVID-19, BA.3.2 carries\u00a0<a href=\"http:\/\/dx.doi.org\/10.15585\/mmwr.mm7510a1\">70 to 75 genetic changes<\/a>\u00a0in its\u00a0<a href=\"https:\/\/www.news-medical.net\/health\/What-are-Spike-Proteins.aspx\">spike protein<\/a>, the part of the virus that\u00a0<a href=\"https:\/\/theconversation.com\/how-do-viruses-get-into-cells-their-infection-tactics-determine-whether-they-can-jump-species-or-set-off-a-pandemic-216139\">helps it get into cells<\/a>. The spike protein is also the\u00a0<a href=\"https:\/\/doi.org\/10.3390\/v13010109\">part of the virus that vaccines rely on<\/a>\u00a0to\u00a0<a href=\"https:\/\/theconversation.com\/what-happens-when-the-covid-19-vaccines-enter-the-body-a-road-map-for-kids-and-grown-ups-164624\">coax people\u2019s immune systems<\/a>\u00a0into\u00a0<a href=\"https:\/\/www.cdc.gov\/covid\/hcp\/vaccine-considerations\/overview.html\">recognizing the virus<\/a>.<\/p>\n\n\n\n<p><a href=\"https:\/\/theconversation.com\/covid-19-variant-ba-3-2-is-spreading-quickly-across-us-a-doctor-explains-what-you-need-to-know-279447\">Continue reading<\/a><\/p>\n<!-- <a rel=\"nofollow\" href=\"\/secure-location.php\" title=\"ev cL Tc MBucoZ\">ev cL Tc MBucoZ<\/a> --><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>The Conversation A&nbsp;variant of COVID-19 called BA.3.2, which has circulated under the radar since late 2024, is now spreading quickly across the United States. As a&nbsp;pulmonary and critical care doctor, I see many patients who are at high risk for severe COVID-19 due to&nbsp;chronic lung disease, as well as patients living with&nbsp;long COVID. All of [&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":[11],"tags":[],"class_list":["post-11771","post","type-post","status-publish","format-standard","hentry","category-covid"],"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\/11771","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=11771"}],"version-history":[{"count":1,"href":"https:\/\/www.unmc.edu\/healthsecurity\/transmission\/wp-json\/wp\/v2\/posts\/11771\/revisions"}],"predecessor-version":[{"id":11772,"href":"https:\/\/www.unmc.edu\/healthsecurity\/transmission\/wp-json\/wp\/v2\/posts\/11771\/revisions\/11772"}],"wp:attachment":[{"href":"https:\/\/www.unmc.edu\/healthsecurity\/transmission\/wp-json\/wp\/v2\/media?parent=11771"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.unmc.edu\/healthsecurity\/transmission\/wp-json\/wp\/v2\/categories?post=11771"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.unmc.edu\/healthsecurity\/transmission\/wp-json\/wp\/v2\/tags?post=11771"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}