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News Articles: coronavirus immunity

Scientists have studied the blood of people who were part of a large trial for the Moderna vaccine to measures antibodies that can help predict levels of immunity after getting a COVID-19 shot.

Tagged as: 

  • Science

New Evidence Points To Antibodies As A Reliable Indicator Of Vaccine Protection

After vaccination, antibody levels can help predict how much protection a COVID-19 shot offers, scientists are learning. The finding could speed up the development of future vaccines.

August 24, 2021
|
By:
  • Joe Palca
A woman receives the Johnson & Johnson COVID-19 at a drive-in vaccination event last week in Meerbusch, Germany.

Tagged as: 

  • Health

New Evidence Suggests COVID-19 Vaccines Remain Effective Against Variants

An analysis of blood from people who had received the Johnson & Johnson COVID-19 vaccine found a lower level of neutralizing antibodies against viral variants but a strong response involving T cells.

June 09, 2021
|
By:
  • Joe Palca
Even after full vaccination against COVID-19, people who have had organ transplants are urged by their doctors to keep wearing masks and taking extra precautions. Research shows the strong drugs they must take to prevent organ rejection can significantly blunt their body's response to the vaccine.

Tagged as: 

  • Health

Vaccination Against COVID 'Does Not Mean Immunity' For People With Organ Transplants

For most people, COVID-19 vaccines promise a return to something akin to normal life. But for the hundreds of thousands of Americans who have a transplanted organ, it's a different story.

May 07, 2021
|
By:
  • Maria Godoy

Tagged as: 

  • Health

How Herd Immunity Works — And What Stands In Its Way

Scientists say the pandemic will only end in the U.S. when we achieve what's called herd immunity. Play with our simulations to see how immunity can stop an outbreak in its tracks.

February 19, 2021
|
By:
  • Thomas Wilburn and
  • Richard Harris
Researchers are making progress in understanding the human immune response to SARS-CoV-2, the virus that causes COVID-19, and the vaccine to prevent the disease.

Tagged as: 

  • Health

3 Questions And The Emerging Answers About COVID-19 Vaccine Protection

First, can someone who has been vaccinated still spread the disease? Second, will the vaccine remain effective as the virus itself evolves? And third, how long will the vaccine's protection last?

January 19, 2021
|
By:
  • Richard Harris

Tagged as: 

  • Health

I Felt Fine, But Tested Positive For The Coronavirus. What's That Really Mean?

Science writer Robin Marantz Henig has written about dangerous emerging pathogens for 30 years. But none of what she learned could shed light on her own confusing encounter with this virus.

December 18, 2020
|
By:
  • Robin Marantz Henig
News of a good immune response in animals bodes well for testing future COVID-19 vaccines.

Tagged as: 

  • Science

Immune Response In Animals Good News For COVID-19 Vaccine Development

Researchers found that a class of antibodies in a monkey's blood provides protection from COVID-19. If that hold true for humans, a blood test may predict whether a vaccine candidate is working.

December 04, 2020
|
By:
  • Joe Palca
This negative-stained transmission electron micrograph depicts the ultrastructural details of an influenza virus particle, or virion.

Tagged as: 

  • Health

Flu Season Looms And Scientists Wonder How Flu And COVID-19 Might Mix

There's a lot that scientists don't know about how viral infections can interact. But researchers are eager to figure out how coronavirus infections might affect flu infections and vice versa.

September 03, 2020
|
By:
  • Nell Greenfieldboyce
Several influenza vaccines have been made in the form of a nasal spray, instead of an injection. The sprays confer two kinds of immunity to the recipient but can be difficult technologically to make.

Tagged as: 

  • Health

What A Nasal Spray Vaccine Against COVID-19 Might Do Even Better Than A Shot

A vaccine against the coronavirus needs to keep people from getting very sick and dying. But preventing the spread of the disease is also important, and vaccines delivered by nasal spray may do that.

August 30, 2020
|
By:
  • Joe Palca
Researchers have been investigating how long antibodies to the coronavirus last in people who have recovered from infections.

Tagged as: 

  • Health

How Long Will Immunity To The Coronavirus Last?

Recent studies have raised fears that immunity to the coronavirus might be fleeting, thus making potential vaccines ineffective. The reality of the science is more complex — and more reassuring.

July 23, 2020
|
By:
  • Richard Harris

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