{"id":51502,"date":"2025-04-25T21:51:13","date_gmt":"2025-04-26T01:51:13","guid":{"rendered":"https:\/\/www.hancockhealth.org\/mayo-health-library\/video-3-things-you-didnt-know-about-cold-sores\/"},"modified":"2026-02-04T11:58:59","modified_gmt":"2026-02-04T16:58:59","slug":"video-3-things-you-didnt-know-about-cold-sores","status":"publish","type":"mayo","link":"https:\/\/hancockhealth.apgar.digital\/ja\/mayo-health-library\/video-3-things-you-didnt-know-about-cold-sores\/","title":{"rendered":"Video: 3 things you didn&#8217;t know about cold sores"},"content":{"rendered":"<div class=\"container mx-auto   wordpress-block wordpress- core-\">\n<p><strong>Ian Roth:<\/strong> Cold sores on the lips can be embarrassing and tough to hide. But, turns out, you might not have a reason to be embarrassed.<\/p>\n<p><strong>Pritish Tosh, M.D., Infectious Diseases, Mayo Clinic:<\/strong> About 70-plus percent of the U.S. population has been infected with herpes simplex 1. Now, a very small percentage of those people will actually develop cold sores.<\/p>\n<p><strong>Ian Roth:<\/strong> Dr. Pritish Tosh, an infectious diseases specialist at Mayo Clinic, says genetics determines whether a person will develop cold sores.<\/p>\n<p><strong>Dr. Tosh:<\/strong> A proportion of the population, they don&#8217;t quite have the right immunologic genes and things like that and so they&#8217;re not able to handle the virus as well as other people in the population.<\/p>\n<p><strong>Ian Roth:<\/strong> The problem is people can spread the herpes virus whether they develop cold sores or not. Herpes virus spreads through physical contact like kissing, sharing a toothbrush &mdash; even sharing a drinking glass &mdash; or through sexual contact.<\/p>\n<p><strong>Dr. Tosh:<\/strong> Since the number of people who are infected but don&#8217;t have symptoms vastly outnumber the people who are infected and have symptoms, most new transmissions occur from people who have no idea that they are infected.<\/p>\n<p>For the Mayo Clinic News Network, I&#8217;m Ian Roth.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Cold sores on the lips can be embarrassing and tough to hide. Most people who are infected with the virus that causes cold sores never develop symptoms.<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","template":"","tags":[1686,1685,1682,1684],"class_list":["post-51502","mayo","type-mayo","status-publish","hentry","tag-anatomical-structure","tag-condition","tag-person-group-concept","tag-theme-of-focus","content_type-diseases-conditions"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Video: 3 things you didn&#039;t know about cold sores - Hancock Health<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Video: 3 things you didn&#039;t know about cold sores - Hancock Health\" \/>\n<meta property=\"og:description\" content=\"Cold sores on the lips can be embarrassing and tough to hide. Most people who are infected with the virus that causes cold sores never develop symptoms.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/hancockhealth.apgar.digital\/ja\/mayo-health-library\/video-3-things-you-didnt-know-about-cold-sores\/\" \/>\n<meta property=\"og:site_name\" content=\"Hancock Health\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-04T16:58:59+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593\" \/>\n\t<meta name=\"twitter:data1\" content=\"1\u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/hancockhealth.apgar.digital\\\/mayo-health-library\\\/video-3-things-you-didnt-know-about-cold-sores\\\/\",\"url\":\"https:\\\/\\\/hancockhealth.apgar.digital\\\/mayo-health-library\\\/video-3-things-you-didnt-know-about-cold-sores\\\/\",\"name\":\"Video: 3 things you didn't know about cold sores - Hancock Health\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/hancockhealth.apgar.digital\\\/#website\"},\"datePublished\":\"2025-04-26T01:51:13+00:00\",\"dateModified\":\"2026-02-04T16:58:59+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/hancockhealth.apgar.digital\\\/mayo-health-library\\\/video-3-things-you-didnt-know-about-cold-sores\\\/#breadcrumb\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/hancockhealth.apgar.digital\\\/mayo-health-library\\\/video-3-things-you-didnt-know-about-cold-sores\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/hancockhealth.apgar.digital\\\/mayo-health-library\\\/video-3-things-you-didnt-know-about-cold-sores\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/hancockhealth.apgar.digital\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Mayo Articles\",\"item\":\"https:\\\/\\\/hancockhealth.apgar.digital\\\/mayo-health-library\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Video: 3 things you didn&#8217;t know about cold sores\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/hancockhealth.apgar.digital\\\/#website\",\"url\":\"https:\\\/\\\/hancockhealth.apgar.digital\\\/\",\"name\":\"Hancock Health\",\"description\":\"Explore a health network built around you.\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/hancockhealth.apgar.digital\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ja\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Video: 3 things you didn't know about cold sores - Hancock Health","robots":{"index":"noindex","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"og_locale":"ja_JP","og_type":"article","og_title":"Video: 3 things you didn't know about cold sores - Hancock Health","og_description":"Cold sores on the lips can be embarrassing and tough to hide. 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