Michaeleen Doucleff

Michaeleen Doucleff appears in the following:

World Health Organization Finishes Investigation Into Origins Of COVID-19

Tuesday, February 09, 2021

The World Health Organization has wrapped up its investigation in China into the origins of COVID-19. The team said it's highly unlikely the virus leaked from a lab and more research is necessary.


Extraordinary Patient Offers Surprising Clues To Origins Of Coronavirus Variants

Friday, February 05, 2021

Scientists are looking at a possible link between the mutations in the U.K. and South Africa — and those in a patient in Boston who had living, growing virus in his body for five months.


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

Tuesday, February 02, 2021

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?


Why Scientists Are Very Worried About The Variant From Brazil

Wednesday, January 27, 2021

They don't yet understand why the coronavirus variant called P.1 has spread so explosively there. Its set of mutations seem especially dangerous. And this week P.1 was confirmed in the U.S.


Moderna Is Working On Booster Shot To Protect Against COVID-19 Variant

Tuesday, January 26, 2021

Moderna is developing a booster shot for its COVID-19 vaccine to ensure that it works against a variant from South Africa. The variant contains mutations that help the virus evade the immune system.


Reinfections More Likely With New Coronavirus Variants, Evidence Suggests

Thursday, January 21, 2021

The variant in Brazil is causing a surge in Manaus, a city where the virus previously infected huge numbers in the spring of 2020. Researchers are trying to determine why.


Scientists Worry About Coronavirus Variant Spreading In Brazil

Tuesday, January 19, 2021

More transmissible forms of the coronavirus have emerged on three continents, and at least one is circulating across the U.S. But scientists are especially worried about a variant spreading in Brazil.


The New U.K. Coronavirus Variant Is In The U.S. Here's How Fast It Could Spread

Wednesday, January 13, 2021

It appears to be 50% more infectious, and researchers predict the new coronavirus variant could start to dominate in the U.S. by March. The time to prepare is now, they say.


What Happens If U.K. Variant Of The Coronavirus Spreads In The U.S.?

Thursday, January 07, 2021

The U.K. is struggling to stop a more contagious version of the coronavirus. NPR discusses what might happen if the variant spreads across the U.S.


What Will It Take To End The COVID-19 Pandemic?

Tuesday, January 05, 2021

Health experts are hopeful that vaccines will stop the coronavirus outbreak in the U.S. But what will it take to make the 12 to 15 billion doses to cover the entire globe?


Why Viruses Mutate: Breaking Down The New Coronavirus Variant

Saturday, January 02, 2021

With new variant in the coronavirus cropping up in several states, we take a look at how viruses mutate and how those mutations can make the coronavirus more contagious.


How Worried Should We Be About The New U.K. Coronavirus Variant?

Thursday, December 24, 2020

Mathematical modeling suggests that the mutations in this variant make the virus more transmissible. What does that mean for preventive measures — and the new vaccines?


What We Know About The New U.K. Variant Of Coronavirus — And What We Need To Find Out

Tuesday, December 22, 2020

There's cause for concern. But how concerned should we be? Here's a rundown of the current thinking on key issues as transmission, severity of disease — and effectiveness of vaccines.


Coronavirus Variant In England Causes International Concern

Tuesday, December 22, 2020

The European Center for Disease Prevention and Control says the COVID-19 variant spreading across England appears to be more contagious. Scientists examine what that means for the rest of the world.


Is Mass Vaccination The Best Strategy For All Countries? A Doctor's Surprising View

Monday, December 14, 2020

Dr. Chizoba Barbara Wonodi of Johns Hopkins University explains why a strategy to vaccinate everyone may not be the best approach to fighting the virus in lower-income countries such as Nigeria.


How Rich Countries Are 'Hoarding' The World's Vaccines, In Charts

Thursday, December 03, 2020

Experts say low-risk people in the U.S. will likely be immunized before many high-risk people in poor countries.


Developed Countries Plan To Start Vaccination Soon. What About The Rest Of The World?

Thursday, December 03, 2020

At least three coronavirus vaccines have been deemed effective. Some Western countries will start vaccination as early as this month. But it's unclear when less wealthy nations will get the vaccines.


Why Does A Virus Cause Problems In One Region But Not Another? A Study Offers Insight

Friday, November 20, 2020

In 2015, the mosquito-borne virus Zika exploded in South America. Health experts predicted it would erupt in Africa. But a major outbreak never happened. Now scientists think they understand why.


Why Poorer Countries Aren't Likely To Get The Pfizer Vaccine Any Time Soon

Wednesday, November 11, 2020

"The vaccine is on its way, folks," Dr. Anthony Fauci announced. But what about the rest of world, especially families in poorer counties. Is the vaccine "on its way for them?"


Poor Countries Fall Behind In Race To Reserve COVID-19 Vaccine

Thursday, November 05, 2020

Wealthy countries have a strategy to secure doses of any forthcoming vaccines. And that's creating a problem for lower-income nations.