Why epidemiologist says he’s ‘quite worried’ about new variant

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thumbImageElem.data().srcLarge : ‘none’;}overrides.thumb = thumbImageLargeSource ? thumbImageLargeSource : ‘none’;shouldStartVideo = true;}if (videoPlayer.videoInstance.config) {if (videoPlayer.videoInstance.config.video !== videoId) {jQuery(articleElem).closest(‘.cn-carousel-medium-strip’).parent().find(‘script[name=”metaScript”]’).remove();CNNVIDEOAPI.CNNVideoManager.getInstance().playVideo(configObj.markupId, videoId, overrides);}}}}} catch (error) {console.log(“error in initializing video player” + error);}}function setInitialVideoEmbed() {}function initialize(){var carousel = jQuery(document.getElementById(‘cn-current_video_collection’)).find(‘.js-owl-carousel’),owl;if (carousel) {carousel.find(‘.cn__column.carousel__content__item’).find(‘a’).removeAttr(‘href’);jQuery(carousel).on(‘click’, ‘.cn__column.carousel__content__item’, onVideoCarouselItemClicked);}}if (CNN.VideoPlayer.getLibraryName(configObj.markupId) === ‘videoLoader’) {window.CNNVideoAPILoadCompleteHandlers = window.CNNVideoAPILoadCompleteHandlers ? window.CNNVideoAPILoadCompleteHandlers : [];window.CNNVideoAPILoadCompleteHandlers.push(initialize);window.CNNVideoAPILoadCompleteHandlers.push(setInitialVideoEmbed);} else {initialize();}CNN.INJECTOR.executeFeature(‘videx’).done(function () {var initMeta = {id:”health/2021/11/26/south-african-epidemiologist-karim-covid-b-1-1529-variant-intl-ctw-vpx.cnn”, isEmbeddable: “yes”};CNN.Videx.EmbedButton.updateCode(initMeta);}).fail(function () {throw ‘Unable to fetch the videx bundle.’;});function updateCurrentlyPlaying(videoId) {var videoCollectionId = ‘current_video_collection’,videocardContents = getCurrentVideoCardContents(videoId),carousel = jQuery(document.getElementById(‘cn-current_video_collection’)).find(‘.js-owl-carousel’),domain = CNN.Host.domain || (document.location.protocol + ‘//’ + document.location.hostname),owl,$owlFirstItem,$owlPrevItem,showDetailsSpanContent = ”,gigyaShareElement,showIndex,whatsappShareElement,$carouselContentItems = jQuery(‘.carousel__content__item’, document.getElementById(‘cn-current_video_collection’));gigyaShareElement = jQuery(‘div.js-gigya-sharebar’);if (typeof gigyaShareElement !== ‘undefined’ && CNN.Utils.existsObject(videocardContents)) {jQuery(gigyaShareElement).attr(‘data-title’, videocardContents.headlinePlainText || ”);jQuery(gigyaShareElement).attr(‘data-description’, videocardContents.descriptionPlainText || ”);jQuery(gigyaShareElement).attr(‘data-link’, domain + videocardContents.url || ”);jQuery(gigyaShareElement).attr(‘data-image-src’, (videocardContents.media && videocardContents.media.elementContents && videocardContents.media.elementContents.imageUrl) || ”);}whatsappShareElement = jQuery(‘div.share-bar-whatsapp-container’);if (typeof whatsappShareElement !== ‘undefined’) {jQuery(whatsappShareElement).attr(‘data-title’, videocardContents.headlinePlainText || ”);jQuery(whatsappShareElement).attr(‘data-storyurl’, domain + videocardContents.url || ”);}if (carousel && currentVideoCollectionContainsId(videoId)) {owl = carousel.data(‘owl.carousel’) || {};showIndex = getCurrentVideoIndex(videoId);if (typeof owl.to === ‘function’) {owl.to(showIndex);}$owlPrevItem = CNN.Utils.exists(owl.$element) ? owl.$element.find(‘.cd.cd–active’) : $carouselContentItems.find(‘.cd.cd–active’);$owlPrevItem.removeClass(‘cd–active’);$owlPrevItem.find(‘.media__over-text’).remove();$owlPrevItem.find(‘.media__icon’).show();$owlFirstItem = CNN.Utils.exists(owl._items) ? jQuery(owl._items[showIndex]) : $carouselContentItems.eq(showIndex);$owlFirstItem.find(‘.cd’).addClass(‘cd–active’);$owlFirstItem.find(‘.media a:first-child’).append(‘

Now Playing

‘);if (Modernizr && !Modernizr.phone) {$owlFirstItem.find(‘.media__icon’).hide();}}CNN.Videx.Metadata.init({dateCreated: videocardContents.dateCreated,descriptionText: videocardContents.descriptionText,duration: videocardContents.duration,sourceLink: videocardContents.sourceLink,sourceName: videocardContents.sourceName,title: videocardContents.headlineText},{videoCollectionDivId: ‘cn-1bce4d2’,videoDescriptionDivId: ‘js-video_description-1bce4d2’,videoDurationDivId: ‘js-video_duration-1bce4d2’,videoTitleDivId: ‘js-leaf-video_headline-1bce4d2’,videoSourceDivId: ‘js-video_sourceName-1bce4d2’});if (CNN.Utils.exists(videocardContents.showName)) {if (CNN.Utils.exists(videocardContents.showUrl)) {showDetailsSpanContent = ‘‘ + videocardContents.showName + ‘ | ‘;} else {showDetailsSpanContent = videocardContents.showName + ‘ | ‘;}}fastdom.measure(function getShowInfo() {var $show = jQuery(‘.metadata__show’),$isShowDetailsSpanExists = $show.find(‘span’).hasClass(‘metadata–show__name’),$showName = jQuery(‘.metadata–show__name’);fastdom.mutate(function updateShowInfo() {if (!$isShowDetailsSpanExists) {$show.prepend(‘

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