1.0EHeraldPosthttps://eheraldpost.com/engYogendra Shahihttps://eheraldpost.com/eng/archives/author/yogendra-shahirich600338<blockquote class="wp-embedded-content" data-secret="ZXuDk66w2p"><a href="https://eheraldpost.com/eng/archives/26046">Four deadly variants of the corona: Delta and Alpha, Beta and Gamma warning appeared</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://eheraldpost.com/eng/archives/26046/embed#?secret=ZXuDk66w2p" width="600" height="338" title="“Four deadly variants of the corona: Delta and Alpha, Beta and Gamma warning appeared” — EHeraldPost" data-secret="ZXuDk66w2p" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !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); //# sourceURL=https://eheraldpost.com/eng/wp-includes/js/wp-embed.min.js </script> https://eheraldpost.com/eng/wp-content/uploads/2021/09/delta.jpg976549Kathmandu. It has been almost two years since the spread of coronavirus (Covid-19) infection. The coronavirus infection, which started in December 2019 in Wuhan, China, is now seen all over the world. New variants of the Corona have appeared around the world. Which has proved to be very deadly for human health. Alpha, beta, gamma, […]