Joe Palca

Joe Palca appears in the following:

New COVID studies show promise for the Johnson & Johnson vaccine booster

Thursday, December 30, 2021

Two studies that have not yet been peer reviewed indicate increased protection against the infectious omicron variant.


The James Webb Space Telescope has started unfurling its giant sunshield

Wednesday, December 29, 2021

The deployment of the shade on the $10 billion telescope began Tuesday with the successful lowering of two arms known as Unitized Pallet Structures.


The James Webb Space Telescope is on its trek to a spot a million miles from Earth

Monday, December 27, 2021

The James Webb Space Telescope is on its ways to its parking place a million miles from Earth. What do scientists plan to do with it once it is operational?


So far so good for the James Webb Space Telescope after its long-awaited launch

Saturday, December 25, 2021

The James Webb Space Telescope is on the way to its final destination, about a million miles from Earth. From there, it will make unprecedented observations of the universe.


The Webb Telescope, the most powerful ever put into space, launched successfully

Saturday, December 25, 2021

The James Webb Space Telescope, the most powerful telescope ever put into space, launched December 25. Astronomers are watching and waiting at mission control in Baltimore.


NASA prepares to launch the James Webb Space Telescope

Friday, December 24, 2021

NASA is getting ready to launch the James Webb Space Telescope, the successor to the iconic Hubble Space Telescope. At mission control in Baltimore, Md., astronomers are getting ready.


FDA authorizes a 2nd easy-to-use COVID treatment, Merck's antiviral pill

Thursday, December 23, 2021

The Food and Drug Administration has granted Emergency Use Authorization to a second COVID-19 antiviral therapy. This one comes from drug maker Merck.


A pill to treat COVID patients gets the FDA's emergency authorization

Thursday, December 23, 2021

Pfizer has received emergency use authorization for a COVID-19 pill, giving doctors a new tool for treating the virus. Who qualifies to take it and is it expected to work against the omicron variant?


Pfizer's antiviral drug to treat COVID has gotten Emergency Use Authorization

Wednesday, December 22, 2021

New treatments for COVID-19 is expected to get Emergency Use Authorization from the Food and Drug Administration soon. But how much of the drug will be available, and how soon?


Everyone 16- and 17-year-olds can now get a Pfizer COVID vaccine booster

Thursday, December 09, 2021

The Food and Drug Administration has now extended it authorization for Pfizer/BioNTech's COVID-19 vaccine booster to everyone 16 and older.


A COVID vaccine grown in plants measures up

Tuesday, December 07, 2021

A vaccine from a Canadian biotech firm Medicago has been found to be effective at preventing moderate to severe disease. It could soon become the first plant-based vaccine authorized for human use.


How Pfizer developed a COVID pill in record time

Friday, December 03, 2021

Pfizer researchers looking for a drug to treat SARS found clues that gave the company a head start in its quest for a pill to treat COVID-19, including the omicron variant.


A different kind of COVID vaccine is about ready to roll

Wednesday, December 01, 2021

Protein subunit vaccines work by injecting people with a tiny portion of a virus. In the case of the COVID-19 vaccine, that tiny portion is the spike protein that the coronavirus uses to enter cells.


What we know about the omicron variant

Tuesday, November 30, 2021

The omicron variant of the not been found in the United States yet. Here's what's we known about it, how dangerous it's likely to be, and whether vaccines or new drugs will be effective against it.


A different type of COVID-19 vaccine is about to roll out around the world

Thursday, November 25, 2021

Whatever happened to Novavax and Sanofi's COVID-19 vaccines? Many people thought at the beginning of the pandemic that these were the two most likely vaccines to succeed.


FDA authorizes COVID boosters for all adults

Saturday, November 20, 2021

The US Food and Drug Administration has authorized COVID vaccine boosters for all adults. We look at what this means for people who are considering getting their third shot.


Pfizer and BioNTech ask FDA to authorize COVID vaccine booster for people 18+

Tuesday, November 09, 2021

The companies say a study of more than 10,000 volunteers showed a vaccine efficacy of 95% or greater for people receiving the booster.


Breakthrough infections might not be a big transmission risk. Here's the evidence

Tuesday, October 12, 2021

Are vaccinated people who get COVID as likely to spread the infection as unvaccinated people? Scientists don't think so.


Breakthrough COVID may not be as threatening as scientists thought

Monday, October 11, 2021

Can a vaccinated person with a breakthrough infection infect others? Conventional wisdom says yes, but new research says it's not all that likely.


New antiviral drug from Merck could help reduce COVID hospitalizations and deaths

Friday, October 01, 2021

Pharmaceutical giant Merck announced promising results from a study of a new antiviral drug. Molnupiravir reduced COVID hospitalizations or death by 50% in a trial involving 775 volunteers.