{"id":195149,"date":"2026-03-19T17:08:18","date_gmt":"2026-03-19T17:08:18","guid":{"rendered":"https:\/\/www.europesays.com\/se\/195149\/"},"modified":"2026-03-19T17:08:18","modified_gmt":"2026-03-19T17:08:18","slug":"kortelfeber-kan-aktiveras-efter-infektion-forskare-ser-samband-med-covid","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/se\/195149\/","title":{"rendered":"K\u00f6rtelfeber kan aktiveras efter infektion \u2013 forskare ser samband med covid"},"content":{"rendered":"<p>Forskare ser koppling till covid<\/p>\n<p>Flera studier pekar nu p\u00e5 att covid-19 kan p\u00e5verka denna balans. Forskning visar att Epstein-Barr-virus aktiveras oftare hos personer som haft covid.<\/p>\n<p>I en <a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC10292739\" rel=\"nofollow noopener\" target=\"_blank\">studie publicerad i vetenskaplig tidskrift<\/a> konstateras att virusreaktivering var betydligt vanligare hos covidpatienter.<\/p>\n<p>\u201dCOVID-19 patients have increased incidence of Epstein-Barr virus reactivation\u201d, skriver forskarna bakom studien.<\/p>\n<p>En annan forskningsgenomg\u00e5ng pekar p\u00e5 att detta kan vara kopplat till l\u00e5ngvariga symtom.<\/p>\n<p>\u201dEBV reactivation may be a co-factor in Long-COVID fatigue\u201d, skriver <strong>J. Rohrhofer<\/strong> och kollegor i en <a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC9538037\" rel=\"nofollow noopener\" target=\"_blank\">studie publicerad p\u00e5 National Library of Medicine<\/a>.<\/p>\n<p>D\u00e4rf\u00f6r kan virus aktiveras igen<\/p>\n<p>F\u00f6rklaringen tros ligga i immunf\u00f6rsvaret. N\u00e4r kroppen uts\u00e4tts f\u00f6r en kraftig infektion, som covid, kan immunf\u00f6rsvaret tillf\u00e4lligt f\u00f6rsvagas eller f\u00f6r\u00e4ndras.<\/p>\n<p>Det kan i sin tur g\u00f6ra att vilande virus, som Epstein-Barr, aktiveras.<\/p>\n<p>\u201dReaktivering av viruset kan f\u00f6rekomma vid nedsatt immunf\u00f6rsvar\u201d, enligt<a href=\"https:\/\/www.internetmedicin.se\/infektionssjukdomar\/kortelfeber-mononukleos\" rel=\"nofollow noopener\" target=\"_blank\"> Internetmedicin<\/a>.<\/p>\n<p>Vanliga symtom att ha koll p\u00e5<\/p>\n<p>K\u00f6rtelfeber kan ge symtom som p\u00e5minner om andra infektioner.<\/p>\n<p>Vanliga tecken \u00e4r:<\/p>\n<p>\u2022 Feber<br \/>\u2022 Halsont<br \/>\u2022 Kraftig tr\u00f6tthet<br \/>\u2022 Svullna lymfk\u00f6rtlar<br \/>\u2022 F\u00f6rstorad mj\u00e4lte<\/p>\n<p>Tr\u00f6ttheten kan bli l\u00e5ngvarig och p\u00e5verka vardagen under en l\u00e4ngre tid.<\/p>\n<p>Risker vid fysisk aktivitet<\/p>\n<p>En viktig aspekt vid k\u00f6rtelfeber \u00e4r p\u00e5verkan p\u00e5 mj\u00e4lten.<\/p>\n<p>\u201dMj\u00e4lten kan vara f\u00f6rstorad och det finns risk f\u00f6r mj\u00e4ltruptur\u201d, enligt <a href=\"https:\/\/www.internetmedicin.se\/infektionssjukdomar\/kortelfeber-mononukleos\" rel=\"nofollow noopener\" target=\"_blank\">Internetmedicin<\/a>.<\/p>\n<p>D\u00e4rf\u00f6r rekommenderas att undvika h\u00e5rd fysisk aktivitet under sjukdomsperioden.<\/p>\n<p>Kan f\u00e5 ekonomiska konsekvenser<\/p>\n<p>F\u00f6r m\u00e5nga inneb\u00e4r k\u00f6rtelfeber en l\u00e4ngre \u00e5terh\u00e4mtning. L\u00e5ngvarig tr\u00f6tthet kan p\u00e5verka arbetsf\u00f6rm\u00e5gan och i vissa fall leda till sjukskrivning.<\/p>\n<p>Det g\u00f6r sjukdomen relevant \u00e4ven ur ett privatekonomiskt perspektiv.<\/p>\n<p>Fakta: K\u00f6rtelfeber<\/p>\n<ul class=\"wp-block-list\">\n<li>Orsakas av Epstein-Barr-virus<\/li>\n<li>Smittar via saliv<\/li>\n<li>Vanligast hos unga vuxna<\/li>\n<li>Ger ofta l\u00e5ngvarig tr\u00f6tthet<\/li>\n<li>Viruset finns kvar i kroppen hela livet<\/li>\n<\/ul>\n<p>Forskningen forts\u00e4tter<\/p>\n<p>Sambandet mellan covid och k\u00f6rtelfeber \u00e4r \u00e4nnu inte fullt klarlagt. Men allt fler studier pekar p\u00e5 att vilande virus kan spela en roll i l\u00e5ngvariga symtom efter infektion.<\/p>\n<p>\u201dEvidence shows EBV reactivation after SARS-CoV-2 infection\u201d, skriver forskare i en <a href=\"https:\/\/www.nature.com\/articles\/s41380-023-02161-5\" rel=\"nofollow noopener\" target=\"_blank\">\u00f6versikt publicerad hos Molecular Psychiatry.<\/a><\/p>\n<p>Det inneb\u00e4r att f\u00f6rst\u00e5elsen f\u00f6r b\u00e5de k\u00f6rtelfeber och covid fortfarande utvecklas.<\/p>\n<p><strong>L\u00e4s \u00e4ven:<\/strong> <a href=\"https:\/\/www.e55.se\/halsa\/stor-svensk-studie-covidvaccin-paverkar-inte-fertiliteten\/\" rel=\"nofollow noopener\" target=\"_blank\">Stor svensk studie: Covidvaccin p\u00e5verkar inte fertiliteten \u2013 E55<\/a><\/p>\n<p>ANNONS<\/p>\n<p>L\u00e4s mer fr\u00e5n E55 &#8211; v\u00e5rt nyhetsbrev \u00e4r kostnadsfritt:Prenumerera<\/p>\n","protected":false},"excerpt":{"rendered":"Forskare ser koppling till covid Flera studier pekar nu p\u00e5 att covid-19 kan p\u00e5verka denna balans. Forskning visar&hellip;\n","protected":false},"author":2,"featured_media":195150,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_share_on_mastodon":"0"},"categories":[69],"tags":[13088,113,112,34,6723,31,33,32,30],"class_list":["post-195149","post","type-post","status-publish","format-standard","has-post-thumbnail","category-halsa","tag-covid","tag-halsa","tag-health","tag-se","tag-sjukdom","tag-svenska","tag-sverige","tag-sweden","tag-swedish"],"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@se\/116256945436233125","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/posts\/195149","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/comments?post=195149"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/posts\/195149\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/media\/195150"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/media?parent=195149"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/categories?post=195149"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/tags?post=195149"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}