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News Articles: infection

Staff volunteers queue to receive a fourth dose of the Pfizer COVID-19 vaccine at Sheba Medical Center in Israel on Dec. 27, 2021, as the hospital conducted a trial of a fourth jab of the vaccine.

Tagged as: 

  • Global Health

Who might benefit from a 4th shot — and who might not

Some countries are moving ahead with plans to offer a fourth dose of COVID-19 vaccine. But studies are raising questions about the potential advantages of this extra booster.

February 23, 2022
|
By:
  • Michaeleen Doucleff

Tagged as: 

  • Global Health

Omicron may be less severe in South Africa. That may not be the case for the U.S.

Researchers in South Africa have found that people infected with omicron, on average, are less likely to end up in the hospital. But the variant may act differently here in the U.S.

December 17, 2021
|
By:
  • Michaeleen Doucleff and
  • Daniel Wood

Tagged as: 

  • Global Health

Visual Explainer: Why Some Coronavirus Variants Are More Contagious Than Others

This animated video uses puzzle pieces to show how a coronavirus binds to a cell's surface — and what happens when a mutation occurs.

May 19, 2021
|
By:
  • Michaeleen Doucleff
There's increasing emphasis on wearing masks while flying. How much protection do they offer against COVID-19?

Tagged as: 

  • Global Health

Do Masks On Plane Flights Really Cut Your Risk Of Catching COVID-19?

On an eight-hour Emirates flight, with mask-wearing enforced, a whopping 27 coronavirus-positive people boarded the plane in Dubai. Guess how many passengers got infected?

October 20, 2020
|
By:
  • Michaeleen Doucleff
Outdoor dining in Bonn, Germany. Indoor dining is riskier than outdoor meals, experts say. Outdoor air can disrupt viral particles that have been expelled.

Tagged as: 

  • Global Health

Coronavirus FAQ: What's The Deal With The '15 Minute Rule'?

The conventional wisdom is that it takes 15 minutes of close contact to a contagious person to put you at risk. But even a short exposure could prove problematic.

October 10, 2020
|
By:
  • Maria Godoy

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