{"id":293,"date":"2025-01-09T08:37:00","date_gmt":"2025-01-09T08:37:00","guid":{"rendered":"https:\/\/healthscienceinstitute.org\/?p=293"},"modified":"2025-12-08T06:57:42","modified_gmt":"2025-12-08T06:57:42","slug":"latest-findings-on-the-impact-of-flu-vaccines-for-seniors","status":"publish","type":"post","link":"https:\/\/scienceinhealth.com\/sv\/2025\/01\/09\/latest-findings-on-the-impact-of-flu-vaccines-for-seniors\/","title":{"rendered":"Senaste resultat om effekterna av influensavacciner f\u00f6r \u00e4ldre"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><strong>Nyckelpunkter<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Influensa- och COVID-19-vacciner kan administreras p\u00e5 ett s\u00e4kert s\u00e4tt, vilket ger kombinerat skydd under andningsvirus\u00e4songen.<\/li>\n\n\n\n<li>H\u00f6gdos- och adjuvansinfluensavacciner minskar avsev\u00e4rt sjukhusriskerna hos vuxna \u00f6ver 65 \u00e5r, med vissa studier som visar upp till 62% minskning j\u00e4mf\u00f6rt med standarddosskott.<\/li>\n\n\n\n<li>Under s\u00e4songen 2024 \u2013 25 minskade influensavacciner medicinskt bes\u00f6kta sjukdomar med 51 \u2013 57% och sjukhusinl\u00e4ggningsgraden med 38 \u2013 55% hos \u00e4ldre.<\/li>\n\n\n\n<li>CDC och ACIP rekommenderar nu f\u00f6rb\u00e4ttrade vacciner \u2014 HD-IIV3, aIIV3 eller RIV4 \u2014 som de f\u00f6redragna alternativen f\u00f6r \u00e4ldre vuxna.<\/li>\n\n\n\n<li>Vaccinupptag bland \u00e4ldre f\u00f6rblir inkonsekvent p\u00e5 grund av felinformation, \u00e5tkomstgap och skillnader.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Varf\u00f6r detta \u00e4r viktigt<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vuxna 65 \u00e5r och \u00e4ldre st\u00e5r f\u00f6r 70 \u2013 85% av influensarelaterade d\u00f6dsfall och 50 \u2013 70% av sjukhusinl\u00e4ggningarna, enligt U.S. Centers for Disease Control and Prevention (CDC) (<a class=\"\" href=\"https:\/\/www.cdc.gov\/flu\/highrisk\/65over.htm\">CDC, 2024<\/a>). Med \u00e5ldrande kommer immunf\u00f6rsvaret att minska, vilket \u00f6kar s\u00e5rbarheten f\u00f6r luftv\u00e4gsinfektioner och komplicerar \u00e5terh\u00e4mtningen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Influensavacciner \u00e4r fortfarande ett av de mest effektiva verktygen f\u00f6r att f\u00f6rhindra allvarliga resultat \u2014 men inte alla vacciner \u00e4r lika effektiva f\u00f6r \u00e4ldre.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Vad \u00e4r nytt under s\u00e4songen 2024 \u2013 2025<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Nya interimsdata fr\u00e5n CDC: s influensavaccineffektivitetsn\u00e4tverk visar att vaccinet f\u00f6r vuxna 65+ minskade:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Medicinskt deltagande influensasjukdom av 51 \u2013 57%<\/li>\n\n\n\n<li>Sjukhusinl\u00e4ggningar med 38 \u2013 55%<br>(<a class=\"\" href=\"https:\/\/www.cdc.gov\/mmwr\/volumes\/74\/wr\/mm7406a2.htm\">CDC, 2025<\/a>)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Detta skydd \u00e4r \u00e4nnu mer uttalat med f\u00f6rb\u00e4ttrade vacciner \u2014 h\u00f6gdos (HD-IIV3) och MF59-adjuvans (aIIV3) formuleringar. En stor retrospektiv studie av n\u00e4stan en halv miljon \u00e4ldre visade:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>H\u00f6gdosvaccin minskade sjukhusinl\u00e4ggningarna med ~ 25%<\/li>\n\n\n\n<li>F\u00f6rdelat vaccin minskade sjukhusinl\u00e4ggningar med ~ 62%<br>(<a href=\"https:\/\/www.kp-scalresearch.org\/high-dose-and-adjuvanted-flu-vaccines-provided-better-protection-for-seniors\/\">Kaiser Permanente, 2024<\/a>)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c4ven om b\u00e5da typerna \u00f6vertr\u00e4ffade standarddosvacciner, fann en randomiserad head-to-head-studie 2024 ingen signifikant skillnad mellan h\u00f6gdos- och adjuvansversionerna f\u00f6r att f\u00f6rebygga influensasjukdom (<a href=\"https:\/\/www.cslseqirus.us\/news\/new-data-presented-at-idweek-2024\">CSL Seqirus, 2024<\/a>).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Vetenskap bakom f\u00f6rb\u00e4ttrade vacciner<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c5ldrande p\u00e5verkar immunfunktionen \u2014 en process som kallas <strong>immunosens<\/strong>\u2014vilket leder till ett svagare svar p\u00e5 traditionella influensavacciner. F\u00f6rb\u00e4ttrade vacciner motverkar detta med antingen:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u00d6kande antigendos (t.ex. Fluzone High-Dose)<\/li>\n\n\n\n<li>Anv\u00e4nda ett adjuvans, s\u00e5som MF59, f\u00f6r att stimulera ett starkare immunsvar (t.ex. Fluad)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Dessa verktyg \u00e4r viktiga f\u00f6r att hj\u00e4lpa \u00e4ldre immunsystem att ge tillr\u00e4ckligt skydd mot influensavirus.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Uppdaterade CDC-Rekommendationer<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Fr\u00e5n och med 2025 rekommenderar CDC: s r\u00e5dgivande kommitt\u00e9 f\u00f6r immuniseringspraxis (ACIP) att vuxna \u00f6ver 65 \u00e5r f\u00e5r ett av f\u00f6ljande influensavacciner:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>HD-IIV3 (h\u00f6gdosinaktiverad influensavaccin)<\/li>\n\n\n\n<li>aIIV3 (MF59-Adjuvans inaktiverad influensavaccin)<\/li>\n\n\n\n<li>RIV4 (rekombinant influensavaccin)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Dessa f\u00f6redras framf\u00f6r standarddosalternativet, \u00e4ven om standardvacciner fortfarande \u00e4r acceptabla om ingen f\u00f6rb\u00e4ttrad version finns tillg\u00e4nglig (<a class=\"\" href=\"https:\/\/www.cdc.gov\/mmwr\/volumes\/74\/wr\/mm7402a3.htm\">CDC, 2025 Immuniseringsschema<\/a>).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><strong><a href=\"http:\/\/scienceinhealth.com\/sv\/newsletter\/\" target=\"_blank\" rel=\"noreferrer noopener\">Prenumerera gratis f\u00f6r mer insiktsfulla h\u00e4lsoartiklar anpassade efter dina behov.<\/a><\/strong><\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Barri\u00e4rer f\u00f6r \u00e5tkomst och upptag<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Trots starka bevis f\u00f6rblir vaccinupptag bland \u00e4ldre l\u00e5ngt ifr\u00e5n optimalt. CDC-data visar att endast ungef\u00e4r h\u00e4lften av vuxna \u00f6ver 65 vaccineras varje influensas\u00e4song (AP News, 2024).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Flera faktorer bidrar till detta:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Misinformation, s\u00e4rskilt om ingredienser som thimerosal<\/li>\n\n\n\n<li>Brist p\u00e5 medvetenhet om f\u00f6rb\u00e4ttrade alternativ<\/li>\n\n\n\n<li>F\u00e5 tillg\u00e5ng till skillnader, s\u00e4rskilt i landsbygds- och minoritetssamh\u00e4llen<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">De senaste federala \u00e5tg\u00e4rderna f\u00f6r att fasa ut timerosal fr\u00e5n vacciner, \u00e4ven om de \u00e4r avsedda att effektivisera s\u00e4kerhetsprotokoll, har oavsiktligt f\u00f6rst\u00e4rkt allm\u00e4nhetens f\u00f6rvirring (<a>BioPharma Dive, 2025<\/a>).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Flu and COVID-19 Vaccine Co-Administration<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">CDC och h\u00e4lso-och sjukv\u00e5rdspersonal rekommenderar nu samtidig administrering av influensa och COVID-19-vacciner, s\u00e4rskilt f\u00f6r \u00e4ldre, f\u00f6r att effektivisera v\u00e5rden och s\u00e4kerst\u00e4lla s\u00e4songsskydd. En AP-rapport fr\u00e5n 2024 betonade s\u00e4kerheten och effektiviteten i detta tillv\u00e4gag\u00e5ngss\u00e4tt, utan ytterligare risk j\u00e4mf\u00f6rt med att f\u00e5 varje skott separat (AP News, 2024).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Bredare folkh\u00e4lsoeffekter<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vaccinerande seniorer minskar inte bara influensafall utan ocks\u00e5:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>N\u00f6drumsbes\u00f6k<\/li>\n\n\n\n<li>ICU stannar<\/li>\n\n\n\n<li>L\u00e5ngsiktiga \u00e5terh\u00e4mtningstider<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Detta s\u00e4nker belastningen p\u00e5 v\u00e5rdgivare och offentliga system som Medicare, samtidigt som livskvaliteten f\u00f6r \u00e5ldrande befolkningar f\u00f6rb\u00e4ttras.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Modellering av CDC visar att skiftning av \u00e4ven 25% fler \u00e4ldre till f\u00f6rb\u00e4ttrade vacciner kan f\u00f6rhindra tusentals sjukhusinl\u00e4ggningar \u00e5rligen.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Vad seniorer och v\u00e5rdgivare kan g\u00f6ra<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Be specifikt om Fluzone High-Dose, Fluad eller RIV4 p\u00e5 kliniker och apotek.<\/li>\n\n\n\n<li>Tid f\u00f6r ditt skott idealiskt i september eller oktober, men senare \u00e4r det fortfarande b\u00e4ttre \u00e4n inte alls.<\/li>\n\n\n\n<li>Diskutera eventuella problem med en sjukv\u00e5rdspersonal \u2014 s\u00e4rskilt n\u00e4r det g\u00e4ller ingredienser eller timing.<\/li>\n\n\n\n<li>H\u00e5ll dig uppdaterad om RSV- och COVID-19-vaccinplaner, s\u00e4rskilt om du har h\u00f6g risk.<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">K\u00e4llorv<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>CDC. \u201cPeople 65 Years and Older &amp; Influenza.\u201d <a class=\"\" href=\"https:\/\/www.cdc.gov\/flu\/highrisk\/65over.htm\">cdc.gov<\/a><\/li>\n\n\n\n<li>CDC. \u201cInterim Estimates of 2024\u201325 Seasonal Influenza Vaccine Effectiveness.\u201d <a class=\"\" href=\"https:\/\/www.cdc.gov\/mmwr\/volumes\/74\/wr\/mm7406a2.htm\">cdc.gov<\/a><\/li>\n\n\n\n<li>Kaiser Permanente Southern California Research. <a href=\"https:\/\/www.kp-scalresearch.org\/high-dose-and-adjuvanted-flu-vaccines-provided-better-protection-for-seniors\/\">kp-scalresearch.org<\/a><\/li>\n\n\n\n<li>CSL Seqirus. \u201cIDWeek 2024 Data.\u201d <a href=\"https:\/\/www.cslseqirus.us\/news\/new-data-presented-at-idweek-2024\">cslseqirus.us<\/a><\/li>\n\n\n\n<li>CDC. \u201c2025 Recommended Adult Immunization Schedule.\u201d <a class=\"\" href=\"https:\/\/www.cdc.gov\/mmwr\/volumes\/74\/wr\/mm7402a3.htm\">cdc.gov<\/a><\/li>\n\n\n\n<li>AP News. \u201cDon\u2019t Wait for a Holiday Surge&#8230;\u201d <a href=\"https:\/\/apnews.com\/article\/flu-covid-vaccine-thanksgiving-christmas-c44d008754ef95b78761d218d9ab77da\">apnews.com<\/a><\/li>\n\n\n\n<li>BioPharma Dive. \u201cHHS to Phase Out Thimerosal&#8230;\u201d <a href=\"https:\/\/www.biopharmadive.com\/news\/kennedy-thimerosal-vaccines-hhs-adopt-cdc-recommendation\/753838\/\">biopharmadive.com<\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Artikeln utg\u00f6r inte p\u00e5 n\u00e5got s\u00e4tt som medicinsk r\u00e5dgivning. V\u00e4nligen kontakta en licensierad l\u00e4kare innan du p\u00e5b\u00f6rjar n\u00e5gon behandling. Denna webbplats kan ta emot provisioner fr\u00e5n l\u00e4nkarna eller produkterna som n\u00e4mns i den h\u00e4r artikeln.<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a href=\"http:\/\/scienceinhealth.com\/sv\/newsletter\/\" target=\"_blank\" rel=\"noreferrer noopener\">Prenumerera gratis f\u00f6r mer insiktsfulla h\u00e4lsoartiklar anpassade efter dina behov.<\/a><\/strong><\/p>","protected":false},"excerpt":{"rendered":"<p>Key Points Why This Matters Adults aged 65 and older account for 70\u201385% of flu-related deaths and 50\u201370% of&hellip;<\/p>","protected":false},"author":21,"featured_media":294,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7,3,11],"tags":[309,308],"class_list":["post-293","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-family-health","category-health-news-trends","category-senior-health","tag-flu-vaccine","tag-flu-vaccines-for-seniors"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Flu Vaccines for Seniors: New Data on Protection &amp; Benefits<\/title>\n<meta name=\"description\" content=\"Discover the latest research on flu vaccine effectiveness for adults 65+. 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