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News Articles: variants

Tagged as: 

  • Global Health

Delta and omicron met up inside 1 person and made the Frankenstein hybrid 'deltacron'

That's how the so-called "deltacron" variant — a mashup of delta and omicron — came to be. This process of recombining tells us a lot about the possible past and future of SARS-CoV-2.

March 24, 2022
|
By:
  • Michaeleen Doucleff
A colorized electron microscope image from the National Institute of Allergy and Infectious Diseases shows a single human immunodeficiency virus budding from a human immune cell.

Tagged as: 

  • Global Health

Discovery of HIV variant shows virus can evolve to be more severe — and contagious

Findings from a new study help answer questions about why some people get more severe and transmissible HIV than others — and serve as a reminder that viruses don't always weaken over time.

February 04, 2022
|
By:
  • Melody Schreiber
A computer-generated image of the omicron variant of the coronavirus.

Tagged as: 

  • Global Health

A second version of omicron is spreading. Here's why scientists are on alert

It's a sibling of the first omicron variant that swept the world. Is it more contagious? Does it cause severe disease? Will it keep current omicron surges going? Researchers are looking for answers.

January 27, 2022
|
By:
  • Michaeleen Doucleff
People line up to get on an Air France flight to Paris at OR Tambo's airport in Johannesburg, South Africa, on Friday as several countries announced travel bans in response to the omicron variant of the coronavirus.

Tagged as: 

  • Global Health

What to know about omicron, the new COVID variant

The World Health Organization deemed it a variant of concern, and the U.S. is banning travel from parts of Africa where it's spreading. Here's what scientists know and what they're trying to learn.

November 27, 2021
|
By:
  • Michaeleen Doucleff,
  • Joel Rose,
  • and 1 more
A sign urges people to get tested for a COVID-19 variant in Blackburn, England. The U.K. is experiencing a surge in the delta variant, which was first identified in India.

Tagged as: 

  • Global Health

Coronavirus FAQ: I've Been Vaccinated. Do I Need To Worry About Variants?

Here's what we know about the effectiveness of vaccines for variants of concerns, notably the delta variant, first identified in India and now responsible for more than 20% of new U.S. cases.

June 25, 2021
|
By:
  • Sheila Mulrooney Eldred and
  • Pranav Baskar
The World Health Organization says it will start assigning new names for variants of the coronavirus based on letters from the Greek alphabet — part of an effort to help avoid stigmatization around the virus.

Tagged as: 

  • Science

Alpha, Beta Instead Of Britain, South Africa. Why The WHO Is Renaming COVID Variants

The new names won't replace the scientific names already assigned to new variants, but the WHO said it's making the change to help avoid fueling stigma toward nations where new variants arise.

June 01, 2021
|
By:
  • Jason Breslow
A boy in India is tested for COVID-19 through a plastic screen.

Tagged as: 

  • Health

Emory Research Suggests Vaccines, Previous COVID-19 Infection Protect Against Variants

Researchers with Emory University say most people who had COVID-19 or who received the Pfizer or Moderna vaccine now have protective immunity against a new variant first found in India.

May 13, 2021
|
By:
  • Ellen Eldridge
A scientist works on COVID-19 samples to find variations of the virus at the Croix-Rousse Hospital laboratory in Lyon, France, in January.

Tagged as: 

  • Global Health

Can Vaccines Stop Variants? Here's What We Know So Far

One of the hottest areas of research right now: studies to determine how well current vaccines work against emerging coronavirus "variants of concern."

April 12, 2021
|
By:
  • Nurith Aizenman

Tagged as: 

  • Global Health

What's Going On With All These Coronavirus Variants? An Illustrated Guide

One day you're worrying about the regular old coronavirus. Then — seemingly out of the blue — there are variants. Worrisome variants! How did they come to be? And why are they likely more contagious?

February 02, 2021
|
By:
  • Michaeleen Doucleff and
  • Meredith Rizzo

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