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  • New Podcast: Manufacturing Danger: The BioLab Story
  • TV Highlights This Week

News Articles: SARS-CoV-2

The Food and Drug Administration is taking a new approach to evaluating and approving COVID vaccines.

Tagged as: 

  • Health

A stricter FDA policy for COVID vaccines could limit future access

Federal officials unveiled a rigorous regulatory approach to future COVID vaccines that could make it harder for many people under 65 to get immunized.

May 20, 2025
|
By:
  • Rob Stein
Wastewater sampling plays an increasing role in identifying disease outbreaks. Above: Inspectors in Oakland, Calif., collect samples to send to labs that will try to detect the SARS-CoV-2 virus.

Tagged as: 

  • Global Health

How the pandemic changed the world of disease control for worse -- and for better

Five years after the World Health Organization declared a global pandemic, there has been progress — and backsliding in the way the world responds to infectious disease.

March 14, 2025
|
By:
  • Gabrielle Emanuel
Don't just sneeze without a tissue! That's the message of this early pandemic era graffiti in Dakar, Senegal. The World Health Organization has just issued an updated report on the way SARS-CoV-2 spreads. Take our quiz to see if you're up on your COVID terminology.

Tagged as: 

  • Global Health

Quiz: Can you pass our 9 question test on the latest theories of COVID-19 transmission

The World Health Organization has issued a report updating terminology and explanations regarding the spread of the novel coronavirus. See if you're up on the latest vocab.

April 29, 2024
|
By:
  • Ari Daniel
A poster in Kolkata, India, from peak pandemic days sends a message to mask up. Now that the official COVID-19 global emergency is no longer in effect, some folks are thrilled to stop masking — but others wonder if it's a good idea to keep up certain precautions.

Tagged as: 

  • Global Health

Coronavirus FAQ: 'Emergency' over! Do we unmask and grin? Or adjust our worries?

Now that official COVID emergency declarations have ended, how should people evaluate their risk of SARS-CoV-2? That's the subject of our frequently asked questions offering.

May 15, 2023
|
By:
  • Fran Kritz
Security guards stand in front of the Huanan Seafood Wholesale Market in Wuhan, China, on Jan. 11, 2020, after the market had been closed following an outbreak of COVID-19 there. Two studies document samples of SARS-CoV-2 from stalls where live animals were sold.

Tagged as: 

  • Global Health

What does the science say about the origin of the SARS-CoV-2 pandemic?

Two U.S. intelligence agencies reportedly support the lab leak theory — with low-to-moderate confidence. No evidence has been shared. Scientists have strong evidence of animal spillover at a market.

March 01, 2023
|
By:
  • Michaeleen Doucleff

Tagged as: 

  • Global Health

How do pandemics begin? There's a new theory — and a new strategy to thwart them

Animals carry millions of pathogens. So it's a daunting task to find the one with the greatest potential to spark a pandemic. Now scientists are rethinking the way they hunt for that next new virus.

February 16, 2023
|
By:
  • Michaeleen Doucleff

Tagged as: 

  • Global Health

QUIZ: How much do you know about what causes a pandemic?

As we launch a series about spillover viruses — like SARS-CoV-2, which triggered a global pandemic, you may have a lot of questions. So do we — 7, to be exact, in the quiz below. See how you do.

February 02, 2023
|
By:
  • Michaeleen Doucleff
China is doing many millions of tests a day to uncover cases of COVID-19 — part of its zero-COVID policy. Above: People line up for nucleic acid tests to detect the virus at a public testing site on Nov. 17 in Beijing.

Tagged as: 

  • Health

Why China's 'zero COVID' policy is finally faltering

For nearly three years, China has enforced incredibly strict rules to keep coronavirus transmission in check. But now they're facing a potentially deadly omicron surge.

November 30, 2022
|
By:
  • Michaeleen Doucleff and
  • Steve Inskeep
The black flying fox is one of the bats in Australia that carries the Hendra virus — which sometimes spills over to horses, and humans, with devastating impact. Scientists are trying to figure out what triggers spillovers — and how to stop them.

Tagged as: 

  • Global Health

An elegant way to stop deadly Hendra virus spillovers from bats to horses ... to us

New research points to a surprising way to stop spillovers of Hendra virus, which is harbored by bats. It's not often that it jumps to horses, then humans, but when it does, the result are brutal.

November 17, 2022
|
By:
  • Ari Daniel
Sikhulile Moyo, the laboratory director at the Botswana-Harvard AIDS Institute and a research associate with the Harvard T.H. Chan School of Public Health, headed the team that identified the omicron variant.

Tagged as: 

  • Global Health

Whatever happened to the Botswana scientist who identified omicron — then caught it?

Sikhulile Moyo led the team that first identified omicron — and was dismayed by the world's reaction — blaming and blacklisting African nations. He's now a bit more optimistic.

September 02, 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
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
  • Load More

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