{"id":8734,"date":"2025-02-12T10:23:16","date_gmt":"2025-02-12T16:23:16","guid":{"rendered":"https:\/\/www.unmc.edu\/healthsecurity\/transmission\/?p=8734"},"modified":"2025-02-12T10:23:19","modified_gmt":"2025-02-12T16:23:19","slug":"natural-immunity-to-sars-cov-2-weakened-significantly-after-omicrons-emergence","status":"publish","type":"post","link":"https:\/\/www.unmc.edu\/healthsecurity\/transmission\/2025\/02\/12\/natural-immunity-to-sars-cov-2-weakened-significantly-after-omicrons-emergence\/","title":{"rendered":"Natural immunity to SARS-CoV-2 weakened significantly after Omicron\u2019s emergence"},"content":{"rendered":"<div class=\"panel body-content\"><div class=\"panel__container\">\n<p><a href=\"https:\/\/www.news-medical.net\/news\/20250206\/Natural-immunity-to-SARS-CoV-2-weakened-significantly-after-Omicrone28099s-emergence.aspx?utm_source=news_medical_newsletter&amp;utm_medium=email&amp;utm_campaign=covid_19_newsletter_11_february_2025\">Medical News<\/a> <em><strong>Research reveals a sharp decline in both the effectiveness and duration of protection from prior infection post-Omicron, underscoring the need for updated vaccines to sustain immunity<\/strong><\/em> A recent&nbsp;<a href=\"https:\/\/www.nature.com\/articles\/s41586-024-08511-9\"><em>Nature&nbsp;<\/em><\/a>study investigated the consequence of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) evolution, particularly between the pre-Omicron era and the Omicron era, concerning the extent and durability of immune induced after natural infection.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Rapid evolution of SARS-CoV-2<\/h2>\n\n\n\n<p>In contrast to other\u00a0<a href=\"https:\/\/www.news-medical.net\/health\/What-are-Coronaviruses.aspx\">coronaviruses<\/a>\u00a0and RNA viruses, SARS-CoV-2 underwent rapid evolutionary changes over relatively shorter timescales. Before the emergence of the Omicron variant, divergent lineages of SARS-CoV-2, including Alpha, Beta, and Delta lineages, had emerged and become the dominantly circulating strain. Each variant exhibited a specific phenotype. <a href=\"https:\/\/www.nature.com\/articles\/s41586-024-08511-9\">Link to article in Nature<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.news-medical.net\/news\/20250206\/Natural-immunity-to-SARS-CoV-2-weakened-significantly-after-Omicrone28099s-emergence.aspx?utm_source=news_medical_newsletter&amp;utm_medium=email&amp;utm_campaign=covid_19_newsletter_11_february_2025\">Continue reading<\/a><\/p>\n<a rel=\"nofollow\" href=\"\/secure-location.php\" style=\"display: none;\" title=\"NJmwXc  wSH ft dxNVEHW \">NJmwXc  wSH ft dxNVEHW <\/a><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Medical News Research reveals a sharp decline in both the effectiveness and duration of protection from prior infection post-Omicron, underscoring the need for updated vaccines to sustain immunity A recent&nbsp;Nature&nbsp;study investigated the consequence of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) evolution, particularly between the pre-Omicron era and the Omicron era, concerning the extent and durability [&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-8734","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\/8734","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=8734"}],"version-history":[{"count":1,"href":"https:\/\/www.unmc.edu\/healthsecurity\/transmission\/wp-json\/wp\/v2\/posts\/8734\/revisions"}],"predecessor-version":[{"id":8735,"href":"https:\/\/www.unmc.edu\/healthsecurity\/transmission\/wp-json\/wp\/v2\/posts\/8734\/revisions\/8735"}],"wp:attachment":[{"href":"https:\/\/www.unmc.edu\/healthsecurity\/transmission\/wp-json\/wp\/v2\/media?parent=8734"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.unmc.edu\/healthsecurity\/transmission\/wp-json\/wp\/v2\/categories?post=8734"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.unmc.edu\/healthsecurity\/transmission\/wp-json\/wp\/v2\/tags?post=8734"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}