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Covid 19HealthLocal Interest
Home›Covid 19›DHS Releases New COVID-19 Variant Trackers

DHS Releases New COVID-19 Variant Trackers

By Antigo Times
April 9, 2021
1643
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Updates include tracking newly classified variants of concern and displaying information by HERC region

FROM THE WISCONSIN DEPARTMENT OF HEALTH SERVICES

Today, the Wisconsin Department of Health Services (DHS) released a new data table on our variant webpage that shows SARS-CoV-2 variant proportions by Health Care Emergency Readiness Coalition (HERC) region. The variants page now also includes information on two additional variant strains of SARS-CoV-2: variants B.1.427 and B.1.429. DHS first identified these variants in Wisconsin in December 2020, and is now tracking them and displaying them publicly following the Center for Disease Control and Prevention’s (CDC) recent classification update on March 17, 2021(link is external). These strains were recently upgraded from variants of interest to variants of concern. SARS-CoV-2 variants are common as viruses change constantly through mutation. The CDC has established criteria(link is external) for identifying variants that may be more worrisome than others. DHS, using CDC’s criteria, publicly reports on variants of concern(link is external).

“With new variants spreading in Wisconsin, we are updating our variant data page to include more detail about where these variants are being detected,” said DHS Deputy Secretary Julie Willems Van Dijk. “Because these new variants of concern spread more easily than the original strain of SARS-CoV-2, it is important to get vaccinated when you are able. Vaccines, along with our other public health practices, give the virus less of an opportunity to spread and mutate.”

Improvements to our variant webpage provide timely information on variants circulating in the different regions of our state. The new variant data tables show the proportion of sequenced specimens that are attributed to each variant of concern. This provides a better perspective on how common each variant of concern is regionally.

The newest variants of concern, referred to as B.1.427 and B.1.429, were first discovered to be circulating in California in samples dating back to May 2020. Variants B.1.427 and B.1.429 share many attributes, with the only significant difference found in their spike protein mutations. According to epidemiologic and modeling studies, researchers have found that both variants spread more rapidly and easily than the original strain of SARS-CoV-2. However, these variants have shown to be less transmissible than variant strains B.1.1.7 and B.1.351.

To date, 216 cases of B.1.427 and B.1.429 have been confirmed in Wisconsin since December 2020. Variants are identified through a process called whole genome sequencing(link is external). Whole genome sequencing takes a sample of the virus from a positive SARS-CoV-2 test specimen and reads its genetic code. DHS, the Wisconsin State Laboratory of Hygiene, and other laboratory partners regularly perform whole genome sequencing on a portion of positive tests.

As variants emerge, it is essential to continue public health practices to prevent the spread of COVID-19. Studies show that the current available vaccines provide protection against variants, but this is being closely investigated. Continue to wear a mask when in public, physically distance from others, stay home whenever you are sick, wash your hands frequently, and get vaccinated when you can.

DHS Deputy Secretary Julie Willems Van Dijk and Dr. Ryan Westergaard, Chief Medical Officer in the Bureau of Communicable diseases will be answering questions about the variants at today’s media briefing. The briefing can be viewed live at 1:30 p.m. on the DHS YouTube channel.

For up-to-date information about Wisconsin’s COVID-19 response, visit the DHS COVID-19 webpage, and follow @DHSWI on Facebook(link is external), Twitter(link is external), or dhs.wi on Instagram(link is external) for more information on COVID-19.

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