1.0Fitnyhttps://fitny.infoClare Louisehttps://fitny.info/author/clare-louise/rich600338<blockquote class="wp-embedded-content" data-secret="htZLhKPx8a"><a href="https://fitny.info/covid-19-what-is-herd-immunity-and-how-does-it-work/">COVID-19: What is Herd Immunity, and how does it work?</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://fitny.info/covid-19-what-is-herd-immunity-and-how-does-it-work/embed/#?secret=htZLhKPx8a" width="600" height="338" title="“COVID-19: What is Herd Immunity, and how does it work?” — Fitny" data-secret="htZLhKPx8a" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! 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); /* ]]> */ </script> https://fitny.info/wp-content/uploads/2021/05/covid_swab_600.jpg600380Governments across the globe implement vaccination programs to achieve herd immunity or population immunity. This phenomenon happens when the effects of individual immunity against disease are scaled to the population size. According to some studies, vaccination is the most prevalent method to enable the body to fight and protect against the virus. But herd immunity […]