COVID-19 Update Links from the CDC

This page is provided as information sourced from the Centers for Disease Control and Prevention (links outside of the Safecare International website) regarding information about COVID-19 and new strains being discovered. Visit this web page again later to find updated information on this issue to keep informed. 

The Centers for Disease Control and Prevention in the United States (CDC) produced the following information, and makes live edits to the following links about new strains of SARS-CoV-2 that cause the COVID-19 virus.  The first link describes 3 strains and shows a map of the United States indicating which states have people with one of the three strains.

New Variants of the Virus that Causes COVID-19

Updated Feb. 2, 2021

Click the above link to see a live, updated map that shows which states in the United States have found how many people with each of the 3 strains so far. Click on VIEW CASES on that page to see updated data.

Below is a text quote from the above link:

" The virus that causes COVID-19 is a type of coronavirus, a large family of viruses. Coronaviruses are named for the crown-like spikes on their surfaces. Scientists monitor changes in the virus, including changes to the spikes on the surface of the virus. These studies, including genetic analyses of the virus, are helping scientists understand how changes to the virus might affect how it spreads and what happens to people who are infected with it.

Multiple variants of the virus that causes COVID-19 are circulating globally:

  • The United Kingdom (UK) identified a variant called B.1.1.7 with a large number of mutations in the fall of 2020. This variant spreads more easily and quickly than other variants. In January 2021, experts in the UK reported that this variant may be associated with an increased risk of death compared to other variant viruses, but more studies are needed to confirm this finding. It has since been detected in many countries around the world. This variant was first detected in the US at the end of December 2020.
  • In South Africa, another variant called B.1.351 emerged independently of B.1.1.7. Originally detected in early October 2020, B.1.351 shares some mutations with B.1.1.7. Cases caused by this variant have been reported in the US at the end of January 2021.
  • In Brazil, a variant called P.1 emerged that was first identified in travelers from Brazil, who were tested during routine screening at an airport in Japan, in early January. This variant contains a set of additional mutations that may affect its ability to be recognized by antibodies. This variant was first detected in the US at the end of January 2021.


So far, studies suggest that antibodies generated through vaccination with currently authorized vaccines recognize these variants. This is being closely investigated and more studies are underway.

Rigorous and increased compliance with public health mitigation strategies, such as vaccination, physical distancing, use of masks, hand hygiene, and isolation and quarantine, is essential to limit the spread of the virus that causes COVID-19 and protect public health.  "


Here is a second link to a CDC article containing more information about the first three strains, and also mentions another strain in Nigeria.

Emerging SARS-CoV-2 Variants


"Analysis of sequences from the African Centre of Excellence for Genomics of Infectious Diseases (ACEGID), Redeemer’s University, Nigeria, identified two SARS-CoV-2 sequences belonging to the B.1.1.207 lineage. These sequences share one non-synonymous mutation in the spike protein (P681H) in common with the B.1.1.7 lineage but does not share any of the other 22 unique mutations of B.1.1.7 lineage. The P681H residue is near the S1/S2 furin cleavage site, a site with high variability in coronaviruses. At this time, it is unknown when this variant may have first emerged. Currently there is no evidence to indicate this variant has any impact on disease severity or is contributing to increased transmission of SARS-CoV-2 in Nigeria."


US COVID-19 Cases Caused by Variants

Click on the pulldown near their map to choose which type of the three variants you want to see the data about. The map changes to show which states have that variant.

If you want to see the number of people in each state with each variant, you can download the CDC's latest spreadsheet with state-by-state U.S. info here:

Download Accessible Data excel icon[XLS – 656 B]


It's important to continue to sanitize hands and surfaces, wear masks, social distance and follow other important guidelines to prevent the spread of COVID-19.


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