1.0KFF Health Newshttps://kffhealthnews.orgbrilabuskeshttps://kffhealthnews.org/news/author/brilabuskes/rich600338<blockquote class="wp-embedded-content" data-secret="lU4qBKNL0A"><a href="https://kffhealthnews.org/morning-breakout/effectiveness-of-flu-vaccine-looks-like-it-will-be-even-lower-than-cdc-experts-expected/">Effectiveness Of Flu Vaccine Looks Like It Will Be Even Lower Than CDC Experts Expected</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://kffhealthnews.org/morning-breakout/effectiveness-of-flu-vaccine-looks-like-it-will-be-even-lower-than-cdc-experts-expected/embed/#?secret=lU4qBKNL0A" width="600" height="338" title="“Effectiveness Of Flu Vaccine Looks Like It Will Be Even Lower Than CDC Experts Expected” — KFF Health News" data-secret="lU4qBKNL0A" 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> Canadian researchers offer the first study on the vaccination's effectiveness in North America this year. Their midseason estimate suggested that the H3N2 component of the vaccine is 17 percent effective at preventing infection.