{"version":"1.0","provider_name":"Glossary","provider_url":"https:\/\/www.healthbenefitstimes.com\/glossary","author_name":"Glossary","author_url":"https:\/\/www.healthbenefitstimes.com\/glossary\/author\/adminglossary\/","title":"Vi antigen - Definition of Vi antigen","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"VJyEPFTdvc\"><a href=\"https:\/\/www.healthbenefitstimes.com\/glossary\/vi-antigen\/\">Vi antigen<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.healthbenefitstimes.com\/glossary\/vi-antigen\/embed\/#?secret=VJyEPFTdvc\" width=\"600\" height=\"338\" title=\"&#8220;Vi antigen&#8221; &#8212; Glossary\" data-secret=\"VJyEPFTdvc\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/www.healthbenefitstimes.com\/glossary\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"A surface somatic antigen of some enterobacterial species, especially S. typhi. Its occurrence in freshly isolated strains of this organism may nullify agglutination by \u2018O\u2019 and \u2018H\u2019 antisera. Boiling the suspension destroys the Vi coating, or the untreated suspension may be agglutinated by a Vi antiserum (prepared from alcohol-treated strains). Possession of the Vi antigen is linked with enhanced virulence."}