{"version":"1.0","provider_name":"Secrets of the Dead","provider_url":"https:\/\/www.pbs.org\/wnet\/secrets","author_name":"chie witt","author_url":"https:\/\/www.pbs.org\/wnet\/secrets\/author\/chie-witt\/","title":"Killer Flu ~ Background | Secrets of the Dead | PBS","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"GBiodSPQU2\"><a href=\"https:\/\/www.pbs.org\/wnet\/secrets\/the-origins-of-influenza\/221\/\"> Background<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.pbs.org\/wnet\/secrets\/the-origins-of-influenza\/221\/embed\/#?secret=GBiodSPQU2\" width=\"600\" height=\"338\" title=\"&#8220; Background&#8221; &#8212; Secrets of the Dead\" data-secret=\"GBiodSPQU2\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\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.pbs.org\/wnet\/secrets\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/www.pbs.org\/wnet\/secrets\/files\/2009\/05\/fluorigins-1024x576.png","thumbnail_width":1024,"thumbnail_height":576,"description":"Over the centuries, humans have endured many influenza pandemics. Descriptions of the disease in Europe date back to 1100 A.D., and sporadic, isolated outbreaks have likely been occurring for many thousands of years."}