{"id":7097,"date":"2021-08-21T23:41:14","date_gmt":"2021-08-21T14:41:14","guid":{"rendered":"https:\/\/www.hoe2021.com\/?p=7097"},"modified":"2024-08-14T13:56:33","modified_gmt":"2024-08-14T04:56:33","slug":"%e3%80%8c%e3%83%87%e3%83%b3%e3%83%9e%e3%83%bc%e3%82%af%e3%81%ae6000%e4%ba%ba%e8%a6%8f%e6%a8%a1%e3%81%aerct%e3%81%ab%e3%82%88%e3%82%8b%e3%81%a8%e3%83%9e%e3%82%b9%e3%82%af%e3%81%ae%e6%84%9f%e6%9f%93","status":"publish","type":"post","link":"https:\/\/www.hoe2021.com\/?p=7097","title":{"rendered":"\u300c\u30c7\u30f3\u30de\u30fc\u30af\u306e6,000\u4eba\u898f\u6a21\u306eRCT\u306b\u3088\u308b\u3068\u30de\u30b9\u30af\u306e\u611f\u67d3\u4e88\u9632\u52b9\u679c\u306f\u7121\u3044\u300d\u306f\u30c7\u30de"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u6b21<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.hoe2021.com\/?p=7097\/#%E3%83%87%E3%83%9E%E3%81%AE%E5%86%85%E5%AE%B9\" >\u30c7\u30de\u306e\u5185\u5bb9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.hoe2021.com\/?p=7097\/#%E7%B5%90%E8%AB%96\" >\u7d50\u8ad6<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.hoe2021.com\/?p=7097\/#%E8%A9%B3%E7%B4%B0\" >\u8a73\u7d30<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.hoe2021.com\/?p=7097\/#%E3%81%9D%E3%81%AE%E4%BB%96%E3%81%AE%E5%8F%82%E8%80%83%E8%A8%98%E4%BA%8B\" >\u305d\u306e\u4ed6\u306e\u53c2\u8003\u8a18\u4e8b<\/a><\/li><\/ul><\/nav><\/div>\n<h2 id=\"i-0\"><span class=\"ez-toc-section\" id=\"%E3%83%87%E3%83%9E%E3%81%AE%E5%86%85%E5%AE%B9\"><\/span>\u30c7\u30de\u306e\u5185\u5bb9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u6b21\u306e\u3088\u3046\u306a\u753b\u50cf\u3092\u51fa\u3057\u3066<\/p>\n<div class=\"say left\">\n<p class=\"faceicon\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/chara\/liar.png\" width=\"110\"><span><\/span><\/p>\n<div class=\"chatting\">\n<div class=\"sc\">\n<p>\u30c7\u30f3\u30de\u30fc\u30af\u306e6,000\u4eba\u898f\u6a21\u306eRCT\uff08\u30e9\u30f3\u30c0\u30e0\u5316\u6bd4\u8f03\u8a66\u9a13\uff09\u3067\u306f\u3001\u30de\u30b9\u30af\u306e\u611f\u67d3\u4e88\u9632\u52b9\u679c\u300c\u7121\u3057\u300d\u3068\u3044\u3046\u7d50\u679c\u3060\u3063\u305f\u3002<\/p>\n<p>\u5bb6\u65cf\u306e\u611f\u67d3\u7387\u306f\u3001\u3080\u3057\u308d\u30de\u30b9\u30af\u3092\u3057\u3066\u3044\u305f\u4eba\u306e\u307b\u3046\u304c\u5927\u304d\u304b\u3063\u305f\u3002<\/p>\n<\/div>\n<\/div><\/div>\n<p>\u3068\u4e3b\u5f35\u3059\u308b\u4eba\u304c\u3044\u307e\u3059\u304c\u3001\u30c7\u30de\u3067\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-7140 bigshadow\" src=\"https:\/\/www.hoe2021.com\/wp-content\/uploads\/2021\/08\/2021-08-21_4.png\" alt=\"\" width=\"716\" height=\"524\" srcset=\"https:\/\/www.hoe2021.com\/wp-content\/uploads\/2021\/08\/2021-08-21_4.png 716w, https:\/\/www.hoe2021.com\/wp-content\/uploads\/2021\/08\/2021-08-21_4-300x220.png 300w\" sizes=\"auto, (max-width: 716px) 100vw, 716px\"><\/p>\n<p>\u30c7\u30f3\u30de\u30fc\u30af\u3067\u884c\u308f\u308c\u305f\u3053\u306e\u30e9\u30f3\u30c0\u30e0\u5316\u6bd4\u8f03\u8a66\u9a13\uff08RCT = Randomized Controlled Trial\uff09\u306f\u901a\u79f0\u300cDANMASK-19\u300d\u3068\u3057\u3066\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002<a href=\"https:\/\/www.acpjournals.org\/doi\/10.7326\/M20-7448\" target=\"_blank\" rel=\"noopener noreferrer\">2\u3064\u306e<\/a><a href=\"https:\/\/www.acpjournals.org\/doi\/10.7326\/M20-7499\" target=\"_blank\" rel=\"noopener noreferrer\">\u8ad6\u8aac<\/a>\u3068\u5171\u306b2020\u5e7411\u670818\u65e5\u306b<i>Annals of InternalMedicine<\/i>\u306b\u63b2\u8f09\u3055\u308c\u307e\u3057\u305f\uff08<a href=\"https:\/\/www.acpjournals.org\/doi\/10.7326\/M20-6817\" target=\"_blank\" rel=\"noopener\">Effectiveness of Adding a Mask Recommendation to Other Public Health Measures to Prevent SARS-CoV-2 Infection in Danish Mask Wearers<\/a>\uff09\u3002<\/p>\n<h2 id=\"i-1\"><span class=\"ez-toc-section\" id=\"%E7%B5%90%E8%AB%96\"><\/span>\u7d50\u8ad6<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u3053\u306e\u8abf\u67fb\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u7406\u7531\u304b\u3089\u3001\u30de\u30b9\u30af\u306e<strong>\u9632\u5fa1\u52b9\u679c\u3092\u5426\u5b9a\u3059\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093<\/strong>\u3002<\/p>\n<ul>\n<li>\u3053\u306e\u8abf\u67fb\u3067\u306f<strong>\u5bb6\u5ead\u5185\u3067\u30de\u30b9\u30af\u3092\u88c5\u7740\u3059\u308b\u3068\u3044\u3046\u8981\u4ef6\u306f\u3042\u308a\u307e\u305b\u3093\u3067\u3057\u305f<\/strong>\u3002<\/li>\n<li>\u3053\u306e\u8abf\u67fb\u306f\u3001\u30de\u30b9\u30af\u88c5\u7740\u30b0\u30eb\u30fc\u30d7\u3068\u975e\u88c5\u7740\u30b0\u30eb\u30fc\u30d7\u306e\u9593\u3067<strong>50%\u4ee5\u4e0a\u306e\u9632\u5fa1\u52b9\u679c\u3092\u691c\u51fa\u3059\u308b\u3088\u3046\u8a2d\u8a08\u3055\u308c\u307e\u3057\u305f\u304c\u3001\u5b9f\u969b\u306f\u305d\u306e\u5024\u306b\u9054\u3057\u306a\u304b\u3063\u305f<\/strong>\u305f\u3081\u3001<strong>\u3053\u306e\u7d50\u679c\u306f\u5076\u7136\u306b\u751f\u3058\u305f\u53ef\u80fd\u6027\u304c\u3042\u308b<\/strong>\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n<li>\u30de\u30b9\u30af\u7740\u7528\u30b0\u30eb\u30fc\u30d7\u306e<strong>\u4e00\u90e8\u306f\u3001\u30de\u30b9\u30af\u7740\u7528\u306e\u6307\u793a\u3092\u5b88\u3063\u3066\u3044\u307e\u305b\u3093\u3067\u3057\u305f<\/strong>\u3002<\/li>\n<li>\u5f53\u6642\u306e\u30c7\u30f3\u30de\u30fc\u30af\u3067\u306f\u3001\u30bd\u30fc\u30b7\u30e3\u30eb\u30c7\u30a3\u30b9\u30bf\u30f3\u30b9\uff0f\u7fa4\u8846\u56de\u907f\uff0f\u624b\u6d17\u3044\u306a\u3069\u306e\u516c\u8846\u885b\u751f\u5bfe\u7b56\u304c\u5b9f\u65bd\u3055\u308c\u3066\u304a\u308a\u3001\u307e\u305f\u3001\u30a6\u30a4\u30eb\u30b9\u304c\u6bd4\u8f03\u7684\u5c11\u306a\u304b\u3063\u305f4\u6708\u30685\u6708\u306b\u8abf\u67fb\u304c\u884c\u308f\u308c\u305f\u305f\u3081\u3001<strong>\u30de\u30b9\u30af\u7740\u7528\u306e\u9632\u5fa1\u52b9\u679c\u3092\u8abf\u3079\u308b\u3053\u3068\u304c\u56f0\u96e3\u3060\u3063\u305f<\/strong>\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/li>\n<li>\u8abf\u67fb\u6642\u306e<strong>\u6709\u75c5\u7387\u304c\u4f4e\u304b\u3063\u305f<\/strong>\u3053\u3068\u3092\u8003\u3048\u308b\u3068\u3001<strong>\u6297\u4f53\u691c\u67fb\u3067\u304b\u306a\u308a\u306e\u7591\u967d\u6027\u304c\u751f\u3058\u3066\u3044\u305f\u53ef\u80fd\u6027<\/strong>\u3082\u3042\u308a\u307e\u3059\u3002<\/li>\n<li>\u8abf\u67fb\u306e<strong>\u57f7\u7b46\u8005\u9054\u306f\u300c\u3053\u306e\u8abf\u67fb\u7d50\u679c\u306f\u78ba\u5b9f\u3068\u306f\u8a00\u3048\u306a\u3044\u300d\u3068\u8ff0\u3079\u3066\u3044\u307e\u3059<\/strong>\u3002<\/li>\n<\/ul>\n<p>\u3053\u306e\u8abf\u67fb\u304c\u884c\u308f\u308c\u305f\u306e\u306f\uff12\uff10\uff12\uff10\u5e74\u306e\uff14\u6708\uff5e\uff15\u6708\u3067\u3059\u3002\u3064\u307e\u308a<strong>\u60c5\u5831\u3068\u3057\u3066\u306f\u53e4\u3044<\/strong>\u3068\u8a00\u3048\u307e\u3059\u3002\uff12\uff10\uff12\uff10\u5e74\u306e\u672b\u304b\u3089\uff12\uff10\uff12\uff11\u5e74\u306b\u304b\u3051\u3066\u3001<a href=\"https:\/\/www.hoe2021.com\/?p=784\" target=\"_blank\" rel=\"noopener\">\u30de\u30b9\u30af\u306b\u306f<strong>\u9632\u5fa1\u52b9\u679c\u3082\u3042\u308b\u3053\u3068\u3092\u793a\u3059\u8abf\u67fb\u7d50\u679c\u304c\u7d9a\u3005\u3068\u767a\u8868\u3055\u308c\u7d9a\u3051\u3066\u3044\u307e\u3059<\/strong><\/a>\u3002<\/p>\n<p>\u307e\u305f\u3001<strong>\u30de\u30b9\u30af\u306e\u4e3b\u76ee\u7684\u306f\u300c\u611f\u67d3\u75c7\u3092\u4ed6\u4eba\u306b\u3046\u3064\u3055\u306a\u3044\u52b9\u679c\uff08\u98db\u6cab\u3092\u6291\u3048\u308b\u52b9\u679c\uff09<\/strong>\u300d\u3067\u3059\u304c\u3001\u3053\u306e\u8abf\u67fb\u306f\u305d\u306e\u8996\u70b9\u304c\u6b20\u3051\u3066\u3044\u308b\u305f\u3081<strong>\u3001<\/strong>\u3053\u306e\u8abf\u67fb\u7d50\u679c\u3092\u5f15\u7528\u3057\u3066\u3001<strong>\u307e\u308b\u3067\u300c\u30de\u30b9\u30af\u304c\u7121\u610f\u5473\u300d\u3067\u3042\u308b\u304b\u306e\u3088\u3046\u306b\u4e3b\u5f35\u3059\u308b\u306e\u306f\u4e0d\u9069\u5207\u3067\u3059\u3002<\/strong><\/p>\n<h2 id=\"i-2\"><span class=\"ez-toc-section\" id=\"%E8%A9%B3%E7%B4%B0\"><\/span>\u8a73\u7d30<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u30d5\u30a1\u30af\u30c8\u30c1\u30a7\u30c3\u30af\u300c<a href=\"https:\/\/www.factcheck.org\/2020\/11\/danish-study-doesnt-prove-masks-dont-work-against-the-coronavirus\/\" target=\"_blank\" rel=\"noopener\">Danish Study Doesn\u2019t Prove Masks Don\u2019t Work Against the Coronavirus (FactCheck.org)<\/a>\u300d\u304b\u3089\u306e\u629c\u7c8b\u3067\u3059\u3002<\/p>\n<p><span class=\"haiiro\">But scientists say that\u2019s the wrong takeaway \u2014 and even the authors of the study say the results shouldn\u2019t be interpreted to mean masks shouldn\u2019t be worn.<\/span><br \/>\n\uff08SNS\u306a\u3069\u3067\u30de\u30b9\u30af\u304c\u7121\u610f\u5473\u3060\u3068\u3044\u3046\u8a71\u304c\u62e1\u6563\u3057\u305f\u3053\u3068\u306b\u3064\u3044\u3066\uff09\u79d1\u5b66\u8005\u305f\u3061\u306f\u300c\u305d\u308c\u306f\u9593\u9055\u3063\u305f\u89e3\u91c8\u3060\u300d\u3068\u8ff0\u3079\u3066\u3044\u307e\u3059 \u2014 \u305d\u3057\u3066<strong>\u3053\u306e\u8abf\u67fb\u306e\u57f7\u7b46\u8005\u9054\u3082\u3001\u3053\u306e\u8abf\u67fb\u7d50\u679c\u304c\u30de\u30b9\u30af\u306e\u7740\u7528\u3092\u5426\u5b9a\u3057\u3066\u3044\u308b\u3068\u89e3\u91c8\u3055\u308c\u308b\u3079\u304d\u3067\u306f\u306a\u3044\u3068\u8ff0\u3079\u3066\u3044\u307e\u3059<\/strong>\u3002<\/p>\n<p><span class=\"haiiro\">The study didn\u2019t identify a statistically significant protective effect for wearers, but the trial was only designed to detect a large effect of 50% or more.&nbsp;And the study didn\u2019t weigh in on the ability of masks to prevent spread of the virus from wearers to others, or what\u2019s known as source control, which is thought to be the&nbsp;primary way&nbsp;that masks work.<\/span><br \/>\n\u3053\u306e\u8abf\u67fb\u3067\u306f\u3001\u30de\u30b9\u30af\u7740\u7528\u8005\u306b\u95a2\u3057\u3066\u7d71\u8a08\u7684\u306b\u6709\u610f\u306a\u9632\u5fa1\u52b9\u679c\u306f\u898b\u3089\u308c\u307e\u305b\u3093\u3067\u3057\u305f\u304c\u3001<strong>\u3053\u306e\u8abf\u67fb\u306f50\uff05\u4ee5\u4e0a\u306e\u5927\u304d\u306a\u9632\u5fa1\u52b9\u679c\u3092\u691c\u51fa\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u305f\u3082\u306e<\/strong>\u3067\u3059\u3002 \u307e\u305f\u3001\u3053\u306e\u7814\u7a76\u3067\u306f\u3001\u30de\u30b9\u30af\u306e\u4e3b\u8981\u6a5f\u80fd\u3068\u8003\u3048\u3089\u308c\u308b\u30bd\u30fc\u30b9\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\uff08\u30de\u30b9\u30af\u304c\u4ed6\u4eba\u3078\u30a6\u30a4\u30eb\u30b9\u3092\u62e1\u6563\u3059\u308b\u306e\u9632\u3050\u80fd\u529b\uff09\u306b\u3064\u3044\u3066\u306f\u8003\u616e\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<p><span class=\"haiiro\">As a result, the most that can be said is that this particular study, under the conditions at the time in Denmark, didn\u2019t find that the face mask intervention had a&nbsp;large&nbsp;protective effect for wearers \u2014 not that masks provide no protection at all or don\u2019t offer benefits to others.&nbsp;<\/span><br \/>\n\u305d\u306e\u7d50\u679c\u3001\u6700\u3082\u8a00\u3048\u308b\u3053\u3068\u306f\u3001\u3053\u306e\u7814\u7a76\u306f\u3001<strong>\u5f53\u6642\u306e\u30c7\u30f3\u30de\u30fc\u30af\u306e\u72b6\u6cc1\u4e0b\u306b\u304a\u3044\u3066\u306f<\/strong>\u30de\u30b9\u30af\u306e\u7740\u7528\u304c\u5927\u304d\u306a\u9632\u5fa1\u52b9\u679c\u3092\u793a\u3055\u306a\u304b\u3063\u305f\u3068\u3044\u3046\u3053\u3068\u3067\u3042\u308a\u3001<strong>\u30de\u30b9\u30af\u306e\u9632\u5fa1\u52b9\u679c\u304c\u307e\u3063\u305f\u304f\u7121\u3044\u3068\u3044\u3046\u3053\u3068\u3067\u306f\u306a\u304f<\/strong>\u3001\u4ed6\u4eba\u306e\u305f\u3081\u306b\u306a\u3089\u306a\u3044\u3068\u3044\u3046\u308f\u3051\u3067\u3082\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p><span class=\"haiiro\">the authors specifically wrote that their findings were \u201cinconclusive.\u201d<\/span><br \/>\n<strong>\u8457\u8005\u9054\u306f\u3053\u306e\u8abf\u67fb\u7d50\u679c\u304c\u300c\u78ba\u5b9f\u306a\u3082\u306e\u3067\u306f\u306a\u3044\u300d\u3068\u660e\u78ba\u306b\u66f8\u304d\u307e\u3057\u305f<\/strong><\/p>\n<p><span class=\"haiiro\">Again, the study only assessed the personal protective effect of a mask intervention, not the potential for masks to hamper spread of the virus to others.<\/span><br \/>\n\u7e70\u308a\u8fd4\u3057\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u3053\u306e\u8abf\u67fb\u306f\u3001\u30de\u30b9\u30af\u304c\u500b\u4eba\u3092\u9632\u5fa1\u3059\u308b\u52b9\u679c\u306e\u307f\u3092\u8a55\u4fa1\u3057\u3066\u304a\u308a\u3001\u30de\u30b9\u30af\u304c\u4ed6\u4eba\u3078\u30a6\u30a4\u30eb\u30b9\u3092\u3046\u3064\u3055\u306a\u3044\u52b9\u679c\u306b\u3064\u3044\u3066\u306f\u8a55\u4fa1\u3057\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<p><span class=\"haiiro\">Around 6,000 people who left their homes for at least three hours a day participated, with approximately half being given a box of 50 surgical masks and being told to wear a mask whenever outside of their homes, while the other half was not given masks or such a mask recommendation.<\/span><br \/>\n1\u65e53\u6642\u9593\u4ee5\u4e0a\u5916\u51fa\u3092\u3059\u308b\u7d046,000\u4eba\u304c\u53c2\u52a0\u3057\u3001\u305d\u306e\u7d04\u534a\u6570\u306b50\u679a\u306e\u30b5\u30fc\u30b8\u30ab\u30eb\u30de\u30b9\u30af\u306e\u7bb1\u304c\u6e21\u3055\u308c\u3001<strong>\u5916\u51fa\u6642\u306b\u306f<\/strong>\u30de\u30b9\u30af\u3092\u7740\u7528\u3059\u308b\u3088\u3046\u306b\u6307\u793a\u3055\u308c\u307e\u3057\u305f\u3002\u6b8b\u308a\u306e\u534a\u6570\u306b\u306f\u30de\u30b9\u30af\u304c\u4e0e\u3048\u3089\u308c\u305a\u3001\u30de\u30b9\u30af\u306e\u88c5\u7740\u3082\u6c42\u3081\u3089\u308c\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n<p><span class=\"haiiro\">The study was conducted at a time when Danish authorities were not recommending masks to the general public, so most people both groups would encounter were not likely to be masked. Both groups were told to follow national public health guidance, which included physical distancing, avoiding crowds and washing hands.<\/span><br \/>\n\u3053\u306e\u8abf\u67fb\u306f\u3001\u30c7\u30f3\u30de\u30fc\u30af\u5f53\u5c40\u304c\u4e00\u822c\u5927\u8846\u306b\u30de\u30b9\u30af\u3092\u63a8\u5968\u3057\u3066\u3044\u306a\u304b\u3063\u305f\u6642\u671f\u306b\u5b9f\u65bd\u3055\u308c\u305f\u305f\u3081\u3001\u30de\u30b9\u30af\u88c5\u7740\u30b0\u30eb\u30fc\u30d7\u304a\u3088\u3073\u975e\u88c5\u7740\u30b0\u30eb\u30fc\u30d7\u306e\u3044\u305a\u308c\u3082\u3001\u63a5\u89e6\u3059\u308b\u76f8\u624b\u306e\u307b\u3068\u3093\u3069\u306f\u30de\u30b9\u30af\u3092\u3057\u3066\u3044\u307e\u305b\u3093\u3067\u3057\u305f<strong>\u3002<\/strong>\u4e21\u65b9\u306e\u30b0\u30eb\u30fc\u30d7\u306f\u3001\u30bd\u30fc\u30b7\u30e3\u30eb\u30c7\u30a3\u30b9\u30bf\u30f3\u30b9\u3001\u7fa4\u8846\u306e\u56de\u907f\u3001\u624b\u6d17\u3044\u306a\u3069\u3001\u56fd\u306e\u516c\u8846\u885b\u751f\u30ac\u30a4\u30c0\u30f3\u30b9\u306b\u5f93\u3046\u3088\u3046\u306b\u6307\u793a\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<p><span class=\"haiiro\">While fewer people in the masked group became infected \u2014 equivalent to an 18% reduction in risk \u2014 the difference was not statistically significant, meaning the result may have come about by chance.<\/span><br \/>\n\u30de\u30b9\u30af\u88c5\u7740\u30b0\u30eb\u30fc\u30d7\u306e\u611f\u67d3\u7387\u306e\u307b\u3046\u304c\uff08\u975e\u88c5\u7740\u30b0\u30eb\u30fc\u30d7\u3088\u308a\u3082\uff09\u5c0f\u3055\u304f\u306a\u308a\u307e\u3057\u305f\u304c\uff08\u30ea\u30b9\u30af\u304c18\uff05\u6e1b\u5c11\u3057\u305f\u3053\u3068\u306b\u76f8\u5f53\uff09\u3001\u305d\u306e\u5dee\u306f\u7d71\u8a08\u7684\u306b\u6709\u610f\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u3064\u307e\u308a\u3001<strong>\u3053\u306e\u7d50\u679c\u306f\u5076\u7136\u306b\u751f\u3058\u305f\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059<\/strong>\u3002<\/p>\n<p><span class=\"haiiro\">It is important to emphasize that this trial did not address the effects of masks as source control or as protection in settings where social distancing and other public health measures are not in effect.<\/span><br \/>\n\u3053\u306e\u8abf\u67fb\u306f\u3001\u30de\u30b9\u30af\u306e\u30bd\u30fc\u30b9\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\uff08\u30de\u30b9\u30af\u304c\u4ed6\u4eba\u3078\u30a6\u30a4\u30eb\u30b9\u3092\u62e1\u6563\u3059\u308b\u306e\u9632\u3050\u80fd\u529b\uff09\u306b\u3064\u3044\u3066\u8abf\u3079\u305f\u3082\u306e\u3067\u306f\u306a\u304f\u3001\u30bd\u30fc\u30b7\u30e3\u30eb\u30c7\u30a3\u30b9\u30bf\u30f3\u30b9\u3084\u4ed6\u306e\u516c\u8846\u885b\u751f\u5bfe\u7b56\u304c\u5b9f\u65bd\u3055\u308c\u3066\u3044\u305f\u3068\u304d\u306b\u884c\u308f\u308c\u305f\u3053\u3068\u3092\u7406\u89e3\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><span class=\"haiiro\">the trial was done in April and May when there was relatively little virus circulating in Denmark, which might have made it more difficult to pick up a protective effect of mask wearing.<\/span><br \/>\n\u30c7\u30f3\u30de\u30fc\u30af\u3067\u6d41\u884c\u3057\u3066\u3044\u308b\u30a6\u30a4\u30eb\u30b9\u304c\u6bd4\u8f03\u7684\u5c11\u306a\u304b\u3063\u305f4\u6708\u30685\u6708\u306b\u8abf\u67fb\u304c\u884c\u308f\u308c\u305f\u305f\u3081\u3001<strong>\u30de\u30b9\u30af\u7740\u7528\u306e\u9632\u5fa1\u52b9\u679c\u3092\u8abf\u3079\u308b\u3053\u3068\u304c\u3088\u308a\u56f0\u96e3\u3060\u3063\u305f\u53ef\u80fd\u6027<\/strong>\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><span class=\"haiiro\">Not everyone in the mask group followed through on the advice to wear a mask, either, with 46% of people&nbsp;<a href=\"https:\/\/www.acpjournals.org\/doi\/10.7326\/M20-6817\" target=\"_blank\" rel=\"noopener noreferrer\">self-reporting<\/a>&nbsp;that they wore the masks \u201cas recommended\u201d; 47% \u201cpredominantly as recommended\u201d; and 7% \u201cnot as recommended.\u201d<\/span><br \/>\n\u30de\u30b9\u30af\u88c5\u7740\u30b0\u30eb\u30fc\u30d7\u306e<strong>\u5168\u54e1\u304c\u30de\u30b9\u30af\u88c5\u7740\u306e\u6307\u793a\u3092\u5b88\u3063\u305f\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093<\/strong>\u3067\u3057\u305f\uff0846\uff05\u304c\u300c\u6307\u793a\u901a\u308a\u300d\u30de\u30b9\u30af\u3092\u7740\u7528\u300147\uff05\u304c\u300c\u307b\u307c\u6307\u793a\u901a\u308a\u300d\u7740\u7528\u30017\uff05\u306f\u300c\u6307\u793a\u3092\u5b88\u3089\u306a\u304b\u3063\u305f\u300d\u3068<a href=\"https:\/\/www.acpjournals.org\/doi\/10.7326\/M20-6817\" target=\"_blank\" rel=\"noopener\">\u56de\u7b54<\/a>\uff09\u3002<\/p>\n<p><span class=\"haiiro\">Frieden and colleagues suggested that the antibody tests used to diagnose SARS-CoV-2 infection could have led to a fair number of false positives, especially given the low prevalence of the coronavirus at the time.&nbsp;<\/span><br \/>\n\u30d5\u30ea\u30fc\u30c7\u30f3\u535a\u58eb\uff08CDC \u30c7\u30a3\u30ec\u30af\u30bf\u30fc\uff09\u3089\u306f\u3001\u65b0\u578b\u30b3\u30ed\u30ca\u30a6\u30a4\u30eb\u30b9\u611f\u67d3\u306e\u691c\u67fb\u306b\u4f7f\u7528\u3055\u308c\u305f<strong>\u6297\u4f53\u691c\u67fb\u304c<\/strong>\u3001\u7279\u306b\u5f53\u6642\u306e\u30b3\u30ed\u30ca\u30a6\u30a4\u30eb\u30b9\u306e<strong>\u6709\u75c5\u7387\u304c\u4f4e\u304b\u3063\u305f\u3053\u3068\u3092\u8003\u3048\u308b\u3068\u3001\u304b\u306a\u308a\u306e\u6570\u306e\u507d\u967d\u6027\u306b\u3064\u306a\u304c\u3063\u305f\u53ef\u80fd\u6027\u304c\u3042\u308b<\/strong>\u3053\u3068\u3092\u793a\u5506\u3057\u307e\u3057\u305f\u3002\uff08\u203b\u691c\u67fb\u306e\u624b\u6bb5\u3068\u3057\u3066\u3001\u6297\u4f53\u691c\u67fb\uff0fPCR\u691c\u67fb\uff0f\u533b\u5e2b\u306e\u8a3a\u65ad\u304c\u7528\u3044\u3089\u308c\u307e\u3057\u305f\uff09<\/p>\n<h2 id=\"i-3\"><span class=\"ez-toc-section\" id=\"%E3%81%9D%E3%81%AE%E4%BB%96%E3%81%AE%E5%8F%82%E8%80%83%E8%A8%98%E4%BA%8B\"><\/span>\u305d\u306e\u4ed6\u306e\u53c2\u8003\u8a18\u4e8b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><a href=\"https:\/\/fullfact.org\/health\/danish-mask-wearing-spectator\/\" target=\"_blank\" rel=\"noopener\">Danish study on mask efficacy only tells us half the story (FULL FACT)<\/a><\/li>\n<li><a href=\"https:\/\/note.com\/osamu_iga\/n\/n4d755360c626?magazine_key=mf60e4037b469\" target=\"_blank\" rel=\"noopener\">\u300c\u30c7\u30f3\u30de\u30fc\u30af\u306eRCT\u5b9f\u9a13\u304c\u30de\u30b9\u30af\u306e\u52b9\u679c\u3092\u5426\u5b9a\u3057\u305f\u300d\u306f\u30c7\u30de\uff08\u4f0a\u8cc0\u6cbb\u6c0f\uff09<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u30c7\u30de\u306e\u5185\u5bb9 \u6b21\u306e\u3088\u3046\u306a\u753b\u50cf\u3092\u51fa\u3057\u3066 \u3068\u4e3b\u5f35\u3059\u308b\u4eba\u304c\u3044\u307e\u3059\u304c\u3001\u30c7\u30de\u3067\u3059\u3002 \u30c7\u30f3\u30de\u30fc\u30af\u3067\u884c\u308f\u308c\u305f\u3053\u306e\u30e9\u30f3\u30c0\u30e0\u5316\u6bd4\u8f03\u8a66\u9a13\uff08RCT = Randomized Controlled Trial\uff09\u306f\u901a\u79f0\u300cDANMASK-19\u300d\u3068\u3057\u3066 &#8230; <\/p>\n","protected":false},"author":2,"featured_media":7100,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,5,10],"tags":[],"class_list":["post-7097","post","type-post","status-publish","format-standard","has-post-thumbnail","category-covid-19","category-5","category-10","entry"],"_links":{"self":[{"href":"https:\/\/www.hoe2021.com\/index.php?rest_route=\/wp\/v2\/posts\/7097","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hoe2021.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hoe2021.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hoe2021.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hoe2021.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7097"}],"version-history":[{"count":3,"href":"https:\/\/www.hoe2021.com\/index.php?rest_route=\/wp\/v2\/posts\/7097\/revisions"}],"predecessor-version":[{"id":20347,"href":"https:\/\/www.hoe2021.com\/index.php?rest_route=\/wp\/v2\/posts\/7097\/revisions\/20347"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hoe2021.com\/index.php?rest_route=\/wp\/v2\/media\/7100"}],"wp:attachment":[{"href":"https:\/\/www.hoe2021.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7097"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hoe2021.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7097"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hoe2021.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7097"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}