Woman in face shield and blue gown takes cotton swab of patient's mouth, who is sitting inside parked car
What You Should Know About New Omicron Subvariants
The presence and spread of new, more-infectious and immune-evading variants shows that the coronavirus is not done mutating.
ABOVE: © iStock.com, Edwin Tan
What You Should Know About New Omicron Subvariants
What You Should Know About New Omicron Subvariants

The presence and spread of new, more-infectious and immune-evading variants shows that the coronavirus is not done mutating.

The presence and spread of new, more-infectious and immune-evading variants shows that the coronavirus is not done mutating.

ABOVE: © iStock.com, Edwin Tan

variant

Illustration of SARS-CoV-2 virus in red and blue
Scientists Investigate Omicron Subvariant BA.2
Catherine Offord | Jan 28, 2022
This strain of SARS-CoV-2 is causing new outbreaks in Europe and Asia and may spread slightly faster than the better-known BA.1 Omicron subvariant, although it’s too early to say for sure.
images related to COVID-19 pandemic, including sign reading "please keep your distance," illustration of the virus, various pills, vaccine syringes
What We Learned About COVID-19 in 2021
Shawna Williams | Dec 16, 2021
As Omicron induces a sense of deja vu at the close of the year, we look back at a few key ways in which our understanding has moved forward.
Illustration of various colored viruses
Omicron Appears to Evade Vaccines Better Than Other Variants
Jef Akst | Dec 14, 2021
Preliminary studies suggest that existing vaccines falter in preventing symptomatic infections caused by the new coronavirus variant, but protection against severe disease is still high.
Watercolor coronaviruses in green, red, blue, and purple are layered above an abstract background of watercolor swashes
Plenty of Evidence for Recombination in SARS-CoV-2
Abby Olena | Sep 2, 2021
Different variants of the virus behind the COVID-19 pandemic are swapping chunks of genetic material, but it’s not yet clear what implications that may have for public health.
Black and white world map, with lines connecting red areas that indicate COVID-19 hotspots, along with overlaid drawings of SARS-CoV-2.
WHO Updates the Nomenclature of SARS-CoV-2 Variants
Lisa Winter | Jun 1, 2021
Rather than being described by the location of where they emerged or an alphanumeric code, variants will be given a Greek letter.
a person in a white lab coat with a blue glove inserting a clear pcr tube into a which thermocycler while holding an orange box
Coronavirus Mutations Could Muddle COVID-19 PCR Tests
Jack J. Lee | May 17, 2021
Researchers find that SARS-CoV-2 variants can evade primer-probe sets and recommend that diagnostic assays include multiple targets for reliability.
coronavirus particles in a variety of colors with a world map in background
What Scientists Know About the B.1.617 Coronavirus Variant
Shawna Williams | May 3, 2021
While some experts speculate the variant could be partially responsible for India’s current surge in SARS-CoV-2 infections, information about the effects of its mutations is only beginning to emerge.
Q&A: Data Gaps Hinder Monitoring of SARS-COV-2 Variants
Jef Akst | Mar 24, 2021
Martha Nelson of the National Institute of Allergy and Infectious Diseases talks about the need to balance data sharing and patient privacy concerns when tracking the spread of variants.
regeneron monoclonal antibody sars-cov-2 covid-19 pandemic coronavirus neutralization b.1.351 variant south africa REGN10987 casirivimab and REGN10933 imdevimab
Regeneron Cocktail Stumbles Against SARS-CoV-2 Variant in Vitro
Marcus A. Banks | Mar 1, 2021
A treatment of two monoclonal antibodies against SARS-CoV-2 is ninefold less effective in the lab against the B.1.351 variant than against the dominant version of the virus.
COVID-19, SARS-CoV-2, coronavirus, pandemic, pseudovirus, chimeric virus, disease & medicine, techniques, HIV, VSV, vaccine, variants, mutations
What Pseudoviruses Bring to the Study of SARS-CoV-2
Amanda Heidt | Feb 16, 2021
Engineered viruses that don’t replicate provide a tractable model for scientists to safely study SARS-CoV-2, including research into vaccine efficacy and emerging variants.
COVID-19, SARS-CoV-2, coronavirus, pandemic, virus, B.1.1.7, B.1.525, variant, UK
Another Potentially Immunity-Evading SARS-CoV-2 Variant Detected
Asher Jones | Feb 16, 2021
B.1.525 shares a mutation with the B.1.351 variant first detected in South Africa that seems to allow the virus to dodge the immune system.
Vaccines Versus the Mutants
Anthony King | Feb 8, 2021
Facing new variants of SARS-CoV-2, some vaccines may offer more robust protection or be more easily redesigned to target them.
escape mutant vaccine resistance covid-19 sars-cov-2 sars2 coronavirus pandemic evolution variants antibodies neutralizing
Will Delaying Vaccine Doses Cause a Coronavirus Escape Mutant?
Chris Baraniuk | Feb 4, 2021
With many millions of people waiting several weeks to receive a second COVID-19 vaccine dose in some countries, experts consider the possibility that SARS-CoV-2 could evolve vaccine resistance.
nextstrain sars-cov-2 variant tracking covid-19 coronavirus pandemic n510y 501Y.V2 b.1.1.7 B.1.351 e484k k417n p.1 virology
Side-by-Side Comparisons of Important SARS-CoV-2 Variants
Katarina Zimmer | Jan 26, 2021
Here’s our brief guide to the most noteworthy mutations in the novel coronavirus.
COVID-19, SARS-CoV-2, coronavirus, pandemic, variant, L452R, B.1.1.7, virus,
Coronavirus Variant Linked to COVID-19 Outbreaks in California
Asher Jones | Jan 19, 2021
It’s too early to know whether the L452R version of SARS-CoV-2 is highly infectious like the B.1.1.7 UK variant that is also spreading around the US.
images related to COVID research
What’s Ahead for SARS-CoV-2 Research in 2021
Shawna Williams | Jan 8, 2021
From new treatments to an investigation into the virus’s origins, here are some of the developments we can expect this year.
sars-cov-2 coronavirus covid-19 pandemic 501.v2 b.1.1.7 variant mutation spike protein pfizer biontech vaccine serum antibody
Mutation in SARS-CoV-2 Variant Does Not Affect Vaccine: Study
Kerry Grens | Jan 8, 2021
An engineered coronavirus with the N501Y mutation—one of many mutations present in the emerging B.1.1.7 and 501.V2 variants of the coronavirus—is neutralized by the sera of COVID-19 vaccine recipients.