{"id":95466,"date":"2021-03-15T13:31:41","date_gmt":"2021-03-15T18:31:41","guid":{"rendered":"https:\/\/news.medill.northwestern.edu\/chicago\/?p=95466"},"modified":"2021-03-15T13:31:52","modified_gmt":"2021-03-15T18:31:52","slug":"new-coronavirus-variants-explained","status":"publish","type":"post","link":"https:\/\/news.medill.northwestern.edu\/chicago\/new-coronavirus-variants-explained\/","title":{"rendered":"New coronavirus variants explained"},"content":{"rendered":"<p><strong>By Grace Rodgers\u00a0<\/strong><br \/>\n<em>Medill Reports<\/em><\/p>\n<p>Virus mutations are a natural occurrence during an epidemic or pandemic. However, some new coronavirus variants have raised concern amongst scientists because of the number and type of mutations they contain, leading to questions on what role these new variants play in the transmissibility of coronavirus.<\/p>\n<p>While COVID-19 cases remain high across the United States, the number of hospitalizations and new cases has steadily declined since mid-January, according to the CDC\u2019s <a href=\"https:\/\/covid.cdc.gov\/covid-data-tracker\/#datatracker-home\">COVID-19 Data Tracker<\/a>. However, as long as the coronavirus continues to infect the U.S. population, new variants are likely to occur.<\/p>\n<p>\u201cThat\u2019s the nature of viruses. They keep making mutations,\u201d said Dr. Suo, a biomedical sciences professor at Florida State University.<\/p>\n<p><iframe title=\"New coronavirus variants explained\" src=\"https:\/\/player.vimeo.com\/video\/520841554?dnt=1&amp;app_id=122963\" width=\"800\" height=\"450\" frameborder=\"0\" allow=\"autoplay; fullscreen; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p>Mutations occur during a cell\u2019s replication process when a random error changes the genetic makeup of a virus. Most mutations are defective and won\u2019t spread. But occasionally, a series of mutations will produce a variant that helps the virus infect other cells and replicate. Scientists track mutations as they pass through the viral family tree, otherwise known as a lineage.<\/p>\n<p>The B.1.1.7, B.1.351 and P.1 lineage have raised the most concern amongst scientists because of the large number of mutations detected in each lineage. All three lineages also carry a mutation that affects the receptor binding domain, a key part of the virus that allows it to bind and gain entry into host cells. <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC7375973\/\">Preliminary research<\/a> suggests a mutation here allows the virus to be more transmissible.<\/p>\n<p>Scientists have also voiced concern that the new variants may impact the effectiveness of current FDA-approved vaccines in the United States.<\/p>\n<p>\u201cAlthough current Moderna and Pfizer-BioNTech vaccines are as effective against the U.K. variant &#8212; and perhaps Brazilian variant &#8212; as against the original COVID-19 virus, some evidence suggests that these vaccines are less effective against the South African variant,\u201d said Dr. Suo.<\/p>\n<p>Still, vaccines remain an essential part of the long-term solution to the pandemic. They may have to be adjusted or people may have to receive booster shots to keep up with new variants.<\/p>\n<p>Nevertheless, people can still do their part to stop the spread of the virus in order to prevent new variants of coronavirus from emerging, according to Dr. Wesley Long, a pathology and genomic medicine professor at Houston Methodist, Weill Cornell Medical College.<\/p>\n<p>\u201cWear your mask, social distance, avoid crowds, avoid large gatherings, and get vaccinated as soon as you&#8217;re eligible because if we don\u2019t have transmission, we won\u2019t have these new variants arising.\u201d<\/p>\n<p><i>Grace Rodgers is health, environment and science reporters at Medill. You can follow her on Twitter at\u00a0<\/i><i><a href=\"https:\/\/twitter.com\/gracelizrodgers\">@gracelizrodgers<\/a>.<\/i><\/p>\n","protected":false},"excerpt":{"rendered":"<p>By Grace Rodgers\u00a0 Medill Reports Virus mutations are a natural occurrence during an epidemic or pandemic. However, some new coronavirus variants have raised concern amongst scientists because of the number and type of mutations they contain, leading to questions on what role these new variants play in the transmissibility of coronavirus. While COVID-19 cases remain [&hellip;]<\/p>\n","protected":false},"author":709,"featured_media":95467,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29,5008],"tags":[],"class_list":["post-95466","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-health-and-science","category-spring-2020"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>New coronavirus variants explained - Medill Reports Chicago<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/news.medill.northwestern.edu\/chicago\/new-coronavirus-variants-explained\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"New coronavirus variants explained - Medill Reports Chicago\" \/>\n<meta property=\"og:description\" content=\"By Grace Rodgers\u00a0 Medill Reports Virus mutations are a natural occurrence during an epidemic or pandemic. 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As a multimedia-focused journalist, I cover breaking news and investigative reports focused on environmental health, science, and justice.\",\"sameAs\":[\"http:\/\/www.gracerodgers.com\",\"https:\/\/www.linkedin.com\/in\/gracerodgers\/\",\"https:\/\/x.com\/gracelizrodgers\"],\"url\":\"https:\/\/news.medill.northwestern.edu\/chicago\/author\/gracerodgers2021\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"New coronavirus variants explained - Medill Reports Chicago","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/news.medill.northwestern.edu\/chicago\/new-coronavirus-variants-explained\/","og_locale":"en_US","og_type":"article","og_title":"New coronavirus variants explained - Medill Reports Chicago","og_description":"By Grace Rodgers\u00a0 Medill Reports Virus mutations are a natural occurrence during an epidemic or pandemic. 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