{"id":40802,"date":"2021-07-01T06:27:40","date_gmt":"2021-07-01T06:27:40","guid":{"rendered":"https:\/\/i-base.info\/htb\/?p=40802"},"modified":"2021-07-01T07:19:32","modified_gmt":"2021-07-01T07:19:32","slug":"potential-to-increase-sperm-count-might-subliminally-help-uptake-of-covid-19-vaccines","status":"publish","type":"post","link":"https:\/\/i-base.info\/htb\/40802","title":{"rendered":"COVID-19 vaccines increase sperm quality: potential to help uptake"},"content":{"rendered":"<div>\n<p class=\"HTBsubhead2articletitle\"><strong>Simon Collins, HIV i-Base<\/strong><\/p>\n<\/div>\n<div>\n<p class=\"HTBBODYFIRST\"><strong><span lang=\"EN-US\">A research letter published in JAMA might encourage vaccine uptake through subliminal messaging that the mRNA vaccine improves sperm count, motility and volume.<\/span><\/strong><\/p>\n<\/div>\n<div>\n<p class=\"HTBBODYtext\"><span lang=\"EN-US\">A single-centre prospective study compared sperm samples before receiving the first dose of an mRNA vaccinations against COVID-19 to samples collected an average of 75 days after the second dose.<\/span><\/p>\n<\/div>\n<div>\n<p class=\"HTBBODYtext\"><span lang=\"EN-US\">Median age of the 45 participants was 28 years (IQR: 25 to 31) with samples taken after an average of 3 days abstinence. Roughly half received the vaccine from Pfizer and half from Moderna.<\/span><\/p>\n<\/div>\n<div>\n<p class=\"HTBBODYtext\"><span lang=\"EN-US\">All four markers of sperm quality (median (IQR) significantly improved. <\/span><\/p>\n<\/div>\n<div>\n<ul>\n<li class=\"HTBBODYtext\"><span lang=\"EN-US\">Volume increased from 2.2 mL (IQR: 1.5 to 2.8) to 2.7 mL (IQR: 1.8 to 3.6), p=0.01<\/span><\/li>\n<li class=\"HTBBODYtext\">Sperm concentration increased from 26 million\/mL (IQR, 19.5 to 34) to <span lang=\"EN-US\">30 million\/mL (IQR, 21.5 to 40.5,\u00a0p=0.02.<\/span><\/li>\n<li class=\"HTBBODYtext\">Sperm motility increased from 58% (IQR: 52.5 to 65) to 64% (IQR: 58 to 70), p=0.001<\/li>\n<li class=\"HTBBODYtext\"><span lang=\"EN-US\">Total motile sperm count (TMSC) increased from<\/span> 36 million (IQR, 18 to 51) to 44 million (IQR, 27.5 to 98;\u00a0p=0.001).<\/li>\n<\/ul>\n<\/div>\n<div>\n<p class=\"HTBBODYtext\"><span lang=\"EN-US\">Low sperm count was reported in 8\/45 men before the vaccine this resolved for 7\/8 of these men. No participants developed low sperm count after the vaccines.<\/span><\/p>\n<\/div>\n<div>\n<p class=\"HTBBODYtext\"><span lang=\"EN-US\">Results, appropriately reported in a waterfall plot, showed the individual changes for individuals ranged from \u201322 to + 93 million<\/span><\/p>\n<h3>comment<\/h3>\n<\/div>\n<div>\n<p class=\"HTBBODYtext\"><strong><span lang=\"EN-US\">Although the changes reported in this study were all statistically significant, the researchers noted that there is no expected mechanism for to explain these results and that the changes were within normal individual variation.<\/span><\/strong><\/p>\n<p><strong>The report though might subliminally help reduce vaccine hesitancy and certainly refute previous rumours that COVID-19 vaccines negatively affect fertility.\u00a0<\/strong><\/p>\n<\/div>\n<div>\n<p class=\"HTBBODYtext\"><span lang=\"EN-US\">Reference<\/span><\/p>\n<\/div>\n<div>\n<p class=\"HTBBODYtext\"><span lang=\"EN-US\">Gonzalez DC et al. Sperm parameters before and after COVID-19 mRNA vaccination. JAMA. doi:10.1001\/jama.2021.9976. (17 June 2021).<br \/>\n<\/span><a href=\"https:\/\/jamanetwork.com\/journals\/jama\/fullarticle\/2781360\">https:\/\/jamanetwork.com\/journals\/jama\/fullarticle\/2781360<\/a><\/p>\n<p><em>This report was first published on 18 June 2021.<\/em><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Simon Collins, HIV i-Base A research letter published in JAMA might encourage vaccine uptake through subliminal messaging that the mRNA vaccine improves sperm count, motility and volume. A single-centre prospective study compared sperm samples before receiving the first dose of &hellip;<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[292,278],"tags":[],"class_list":["post-40802","post","type-post","status-publish","format-standard","hentry","category-covid-19-vaccine","category-covid-19"],"_links":{"self":[{"href":"https:\/\/i-base.info\/htb\/wp-json\/wp\/v2\/posts\/40802","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/i-base.info\/htb\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/i-base.info\/htb\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/i-base.info\/htb\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/i-base.info\/htb\/wp-json\/wp\/v2\/comments?post=40802"}],"version-history":[{"count":0,"href":"https:\/\/i-base.info\/htb\/wp-json\/wp\/v2\/posts\/40802\/revisions"}],"wp:attachment":[{"href":"https:\/\/i-base.info\/htb\/wp-json\/wp\/v2\/media?parent=40802"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/i-base.info\/htb\/wp-json\/wp\/v2\/categories?post=40802"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/i-base.info\/htb\/wp-json\/wp\/v2\/tags?post=40802"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}