Can Vaccines Stop Variants? Here's What We Know So Far
One of the hottest areas of research right now: studies to determine how well current vaccines work against emerging coronavirus "variants of concern."
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Vaccinating Children Seen As A Key Step Toward COVID-19 Herd Immunity
Moderna has begun testing its vaccine on children as young as 6 months old. A principal investigator in the trial says getting children vaccinated would be "a step getting back to our normal life."
Moderna And Pfizer On Track To Hit Vaccine Production Goals
Pfizer and Moderna each agreed to supply 100 million doses of COVID-19 vaccine to the U.S. by the end of March. With just under three weeks left, both companies have their work cut out for them.
1 Shot Or 2 Shots? 'The Vaccine That's Available To You — Get That'
As the new Johnson & Johnson COVID-19 vaccine rolls out, the health care community is trying to ward off misconceptions about it. The vaccine's one-shot feature may be what wins many over.
What Is A Cold Chain? And Why Do So Many Vaccines Need It?
Many of the coronavirus vaccines like it cold. Really cold. Sub-zero cold. Why is this the case? And how is the world handling this frigid requirement?
Moderna Finds COVID-19 Vaccine Still Protects Against Emerging Strains
In a new round of tests, the drug company wants to see if booster doses of its vaccine will ramp up defenses against emerging strains of the coronavirus.
Moderna And Pfizer Need To Nearly Double COVID-19 Vaccine Deliveries To Meet Goals
The two companies making COVID-19 vaccines each promised to deliver 100 million doses to the federal government by the end of March. So far, they appear to be running behind.
Putting A Roof On Risk With A COVID-19 Vaccine Jab
NPR's Bob Mondello is back from his vaccination appointment and feeling safer.
FDA Warns Health Officials Not To Mess With COVID-19 Vaccine Doses Schedule
Agency officials said reducing the number of doses creates a potential for harm in patients because "they may assume that they are fully protected when they are not" and may "take unnecessary risks."