{"id":3544,"date":"2022-02-07T20:25:37","date_gmt":"2022-02-07T20:25:37","guid":{"rendered":"https:\/\/seniorfitness.blog\/?p=3544"},"modified":"2022-02-07T13:33:40","modified_gmt":"2022-02-07T13:33:40","slug":"3544","status":"publish","type":"post","link":"https:\/\/seniorfitness.blog\/?p=3544","title":{"rendered":"Hvorfor er der nogle som undg\u00e5r smitte med Covid-19?"},"content":{"rendered":"<p>Det er nu \u00e5benlyst, at Omikron-variantens udbredelse har f\u00f8rt til at Covid-19 pandemien er n\u00e5et til et stade, hvor samfundsordenen efterh\u00e5nden kan reetableres. Kombinationen af st\u00f8rre smitsomhed, men et overordnet mildere sygdomsforl\u00f8b har f\u00f8rt til at Covid-19 ikke l\u00e6ngere anses som en samfundskritisk sygdom.<\/p>\n<p>Omikrons lang st\u00f8rre smitsomhed er n\u00e6ppe g\u00e5et nogens opm\u00e6rksomhed forbi. Jeg har i alt fald oplevet, at langt flere p\u00e5 min arbejdsplads og i min bekendtskabskreds er blevet ramt den seneste tid.<\/p>\n<p>At nogle smittes, men andre g\u00e5r fri p\u00e5 trods af eksponering kan der v\u00e6re forskellige forklaringer p\u00e5.<\/p>\n<p>Vaccinen er \u00e9n \u00e5benlys forklaring. Den generelle opfattelse er, at vaccinen giver bedre beskyttelse mod smitte, ogs\u00e5 for Omikrons vedkommende, s\u00e6rligt efter tredje stik.<\/p>\n<p>En anden forklaring er tidligere eksponering for smitte. If\u00f8lge en unders\u00f8gelse, rapporteret p\u00e5 <a href=\"https:\/\/www.dr.dk\/nyheder\/indland\/kaempe-moerketal-op-mod-halvdelen-af-alle-coronasmittede-er-maaske-slet-ikke-testet\">DR Nyheder<\/a> den 3. februar, har de reelle smittetal i januar v\u00e6ret op til mellem 50% og 100% over de officielle tal \u2013 det er i alt fald de forel\u00f8bige resultater Seruminstituttet er kommet frem til baseret p\u00e5 analyser af blod fra det danske bloddonorkorps. Det betyder, at der er en relativt stor andel af befolkningen, som har v\u00e6ret smittet uden at v\u00e6re blevet testet positive \u2013 og m\u00e5ske end ikke har haft n\u00e6vnev\u00e6rdige symptomer. Det g\u00f8r sig g\u00e6ldende for den generelt mildere Omikron, og muligvis i mindre grad for tidligere varianter.<\/p>\n<p>Et tidligere smitteforl\u00f8b kan give en god beskyttelse mod reinfektion, og som det fremg\u00e5r af en fam\u00f8s <a href=\"https:\/\/files.ssi.dk\/covid19\/gennembrudsinfektion\/rapport\/gennembrudsinfektion-covid19-uge49-2021-ji88?fbclid=IwAR28VX7Ee0o7YkMgHchmOkc9YPJgRBlI_n3RPcw_86Kzk-7hcPX0b1JY-nM\">graf<\/a>, som <a href=\"https:\/\/www.dr.dk\/nyheder\/kultur\/medina-kritiserer-corona-retorik-sygt-der-ikke-er-graenser-hvor-meget-man-maa-lyve\">Medina henviste til<\/a> i december 2021, s\u00e5 kan naturlig immunitet (evt. kombineret med vaccine) give bedre beskyttelse mod (re)infektion end blot vaccination.<\/p>\n<figure id=\"attachment_3546\" aria-describedby=\"caption-attachment-3546\" style=\"width: 601px\" class=\"wp-caption aligncenter\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"3546\" data-permalink=\"https:\/\/seniorfitness.blog\/?attachment_id=3546\" data-orig-file=\"https:\/\/i0.wp.com\/seniorfitness.blog\/wp-content\/uploads\/2022\/02\/SSI-fig-5-side-11.png?fit=962%2C619&amp;ssl=1\" data-orig-size=\"962,619\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"SSI fig 5, side 11\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/seniorfitness.blog\/wp-content\/uploads\/2022\/02\/SSI-fig-5-side-11.png?fit=962%2C619&amp;ssl=1\" class=\"wp-image-3546\" src=\"https:\/\/i0.wp.com\/seniorfitness.blog\/wp-content\/uploads\/2022\/02\/SSI-fig-5-side-11.png?resize=601%2C387&#038;ssl=1\" alt=\"\" width=\"601\" height=\"387\" srcset=\"https:\/\/i0.wp.com\/seniorfitness.blog\/wp-content\/uploads\/2022\/02\/SSI-fig-5-side-11.png?w=962&amp;ssl=1 962w, https:\/\/i0.wp.com\/seniorfitness.blog\/wp-content\/uploads\/2022\/02\/SSI-fig-5-side-11.png?resize=300%2C193&amp;ssl=1 300w, https:\/\/i0.wp.com\/seniorfitness.blog\/wp-content\/uploads\/2022\/02\/SSI-fig-5-side-11.png?resize=768%2C494&amp;ssl=1 768w\" sizes=\"auto, (max-width: 601px) 100vw, 601px\" \/><figcaption id=\"caption-attachment-3546\" class=\"wp-caption-text\">Figur 5 fra Gennembrudsinfektioner og vaccineeffektivitet udgivet af Statens Serum Institut i december 2021. Data er fra f\u00f8r Omikron kom p\u00e5 banen, og vaccinationsforl\u00f8bet omfatter\u00a0 alle vaccinetyper, men ikke det 3. stik.<\/figcaption><\/figure>\n<p>Det giver mening, at man opbygger en naturlig immunitet, hvis man har v\u00e6ret igennem et smitteforl\u00f8b, hvor man har udviklet nogle sypmtomer undervejs, der reflekterer at immunsystemet har v\u00e6ret p\u00e5 arbejde.<\/p>\n<p>Som n\u00e6vnt ovenfor er der imidlertid nogle, som har s\u00e5 mildt et forl\u00f8b, at de slet ikke er klar over at de har v\u00e6ret smittet, ogs\u00e5 selvom de ikke l\u00e6ngere effektivt beskyttes af vaccine. Hvordan har de opbygget en effektiv naturlig immunitet mod Covid-19? Det kan m\u00e5ske delvist h\u00e6nge sammen med en observation, der for nylig blev rapporteret i <a href=\"https:\/\/nyheder.tv2.dk\/samfund\/2022-02-03-bliver-du-ikke-smittet-mens-alle-omkring-dig-har-corona-det-kan-nyt-studie-maaske\">TV2 Nyheder<\/a>. Det vedr\u00f8rer et lille <a href=\"https:\/\/www.nature.com\/articles\/s41467-021-27674-x#article-comments\">studie<\/a>, hvor forskerne fandt, at nogle personer, der slet ikke blev smittet med Covid-19 (ikke testede positiv ved PCR test), havde et immunsystem med et effektivt respons baseret p\u00e5, at de tidligere har v\u00e6ret udsat for andre typer coronavirus.<\/p>\n<p>Det vil alts\u00e5 sige, at nogle personer, som tidligere har haft en fork\u00f8lelse (i form af en coronavirus) kan v\u00e6re s\u00e5 heldige at immunsystemet har opbygget en hukommelse, der reagerer p\u00e5 andre coronavira, herunder Covid-19. Denne &#8216;krydsreaktion&#8217; kan sikkert forekomme i forskellige grader, og bidrager m\u00e5ske til, at almindelige raske personer kan reagere med vidt forskellige symptomer.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>Det er nu \u00e5benlyst, at Omikron-variantens udbredelse har f\u00f8rt til at Covid-19 pandemien er n\u00e5et til et stade, hvor samfundsordenen efterh\u00e5nden kan reetableres. Kombinationen af <a class=\"mh-excerpt-more\" href=\"https:\/\/seniorfitness.blog\/?p=3544\" title=\"Hvorfor er der nogle som undg\u00e5r smitte med Covid-19?\">[&#8230;]<\/a><\/p>\n<\/div>","protected":false},"author":1,"featured_media":3550,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_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},"jetpack_post_was_ever_published":false},"categories":[25],"tags":[369,370,565,567,566],"class_list":["post-3544","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sygdom","tag-corona","tag-covid-19","tag-naturlig-immunitet","tag-omikron","tag-vaccination"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/seniorfitness.blog\/wp-content\/uploads\/2022\/02\/antigen-6939138_1280.jpg?fit=1280%2C720&ssl=1","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/s8lpEz-3544","jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/seniorfitness.blog\/index.php?rest_route=\/wp\/v2\/posts\/3544","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/seniorfitness.blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/seniorfitness.blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/seniorfitness.blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/seniorfitness.blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3544"}],"version-history":[{"count":11,"href":"https:\/\/seniorfitness.blog\/index.php?rest_route=\/wp\/v2\/posts\/3544\/revisions"}],"predecessor-version":[{"id":3557,"href":"https:\/\/seniorfitness.blog\/index.php?rest_route=\/wp\/v2\/posts\/3544\/revisions\/3557"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/seniorfitness.blog\/index.php?rest_route=\/wp\/v2\/media\/3550"}],"wp:attachment":[{"href":"https:\/\/seniorfitness.blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3544"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/seniorfitness.blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3544"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/seniorfitness.blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3544"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}