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News Articles: SARS-CoV-2

Cracking a window can help reduce your risk of infection by COVID pathogens.

Tagged as: 

  • Global Health

Coronavirus FAQ: Got any tips on improving indoor air flow to reduce infection risks?

"Ventilation is the way forward," says infectious disease doctor Abraar Karan of Stanford. Here's how to get better air flow at home, in schools and offices — even in gyms — to stave off COVID.

June 29, 2022
|
By:
  • Melody Schreiber
Cracking a window can help reduce your risk of infection by COVID pathogens.

Tagged as: 

  • Global Health

Coronavirus FAQ: Got any tips on improving indoor air flow to reduce infection risks?

"Ventilation is the way forward," says infectious disease doctor Abraar Karan of Stanford. Here's how to get better air flow at home, in schools and offices — even in gyms — to stave off COVID.

June 29, 2022
|
By:
  • Melody Schreiber
A woman wears a face shield to protect against COVID-19 at a taxi stand in Soweto, South Africa, where an omicron variant is causing a COVID-19 surge.

Tagged as: 

  • Global Health

If you've had omicron before, are you safe from infection by the new variants?

New versions of omicron are circulating in the United States and South Africa. Two new studies shed light on the potential for future surges — and the risk factor if you've already had omicron.

May 07, 2022
|
By:
  • Michaeleen Doucleff

Tagged as: 

  • Global Health

Coronavirus FAQ: Testing confuses me! When to do it? Is 'negative' always reliable?

With COVID case counts falling and rising, testing is critical. But how many days after exposure should I test? And if I have symptoms but test negative, might the test not be accurate?

April 16, 2022
|
By:
  • Melody Schreiber
Rosy, 6, gives COVID tests and vaccines to her stuffed animals. She herself has been exposed to SARS-CoV-2, the coronavirus that causes COVID-19, multiple times and never tested positive. What's her secret?

Tagged as: 

  • Global Health

Why hasn't my daughter caught COVID? 2 factors likely protect her — and maybe you too

My 6-year-old has been exposed to SARS-CoV-2 at least four times and never tested positive. Many people fall into that category. Researchers have theories about why they've been able to ward it off.

April 08, 2022
|
By:
  • Michaeleen Doucleff

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
Two white-tailed deer forage in Pennsylvania's Wyomissing Parklands. At the end of 2021, researchers swabbed the noses of 93 dead deer from across the state. Nearly 20% tested positive for the coronavirus.

Tagged as: 

  • Animals

Researcher finds 'stunning' rate of COVID among deer. Here's what it means for humans

Studies on white-tailed deer in Pennsylvania and Ontario offer evidence that the mammals are a reservoir for the coronavirus. What are the implications for the course of SARS-CoV-2?

March 09, 2022
|
By:
  • Ari Daniel
A hamster named Marshmallow was dropped off at the New Territories South Animal Management Centre in Hong Kong on Jan. 19 over concerns that pets were spreading the coronavirus to humans. Thousands of small animals were culled after hamsters tested positive in a pet store.

Tagged as: 

  • Global Health

The hamsters of Hong Kong offer a cautionary COVID tale

A new study documents that infected hamsters, imported from the Netherlands, passed the virus on to humans. Previously only minks had been identified as a source of animal-to-human transmission.

February 10, 2022
|
By:
  • Melody Schreiber
This colorized transmission electron micrograph image shows SARS-CoV-2, the coronavirus that causes the disease COVID-19. This specimen was isolated from a patient in the United States. Particles of the virus (yellow) are emerging from the surface of cells cultured in the lab (pink).

Tagged as: 

  • Global Health

Fact check: The theory that SARS-CoV-2 is becoming milder

A look at the data that omicron is less severe. What does that mean for the future of SARS-CoV-2 — and the pandemic?

January 14, 2022
|
By:
  • Michaeleen Doucleff
A registered nurse administers the COVID-19 vaccine at a high school gym in Corona, California. Scientists are trying to determine if vaccines (and boosters) will offer protection against the newly identified omicron variant.

Tagged as: 

  • Global Health

Scientists race to answer the question: Will vaccines protect us against omicron?

There's serious concern about the effectiveness of vaccines against the omicron strain. But there's also reason to be hopeful — especially for those who've had a booster.

December 02, 2021
|
By:
  • Michaeleen Doucleff

Tagged as: 

  • Health

New clues to the biology of long COVID are starting to emerge

Scientists have begun to find abnormalities in the immune systems of some long-COVID patients that might help explain the syndrome, at least in some people. But there is still much more to learn.

November 12, 2021
|
By:
  • Rob Stein
A child and a dog run along a beach in Haiti, from where health workers appear to have contracted a new coronavirus. Around the world, in Malaysia, a similar coronavirus has been found — apparently being passed to humans from dogs.

Tagged as: 

  • Global Health

New coronavirus, likely from dogs, infects people in Malaysia and Haiti

It could turn out to be the eighth coronavirus known to spread to humans. Some scientists think doctors and researchers should start actively looking for this virus in patients.

November 06, 2021
|
By:
  • Michaeleen Doucleff

Tagged as: 

  • Global Health

COVID's endgame: Scientists have a clue about where SARS-CoV-2 is headed

Pandemic predictions have been made — and then things would change. But based on models and studies (including a 1980s test that squirted virus up human noses), researchers have a new endgame thesis.

October 29, 2021
|
By:
  • Michaeleen Doucleff
Researchers at the University of Texas Medical Branch are helping to test the Pfizer-BioNTech COVID-19 vaccine against coronavirus variants.

Tagged as: 

  • Health

A Texas Lab Performs Crucial Testing For Pfizer's COVID Vaccine

The lab has access to a high-security facility that Pfizer needed to prove its COVID-19 vaccine was working. Now the scientists there are testing the vaccine's effectiveness against viral variants.

August 20, 2021
|
By:
  • Joe Palca

Tagged as: 

  • Global Health

New Data Leads To Rethinking (Once More) Where The Pandemic Actually Began

One of the scientists who signed a recent letter calling for more investigation of the lab-leak origin theory says new data has come to light. And that information has changed his thinking.

July 20, 2021
|
By:
  • Michaeleen Doucleff
  • Load More

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