What is mRNA? The messenger molecule that's been in every living cell for billions of years is the key ingredient in some COVID-19 vaccines
Recently in the spotlight for its role in the Pfizer and Moderna COVID-19 vaccines, mRNA is not a new invention. It's a crucial messenger molecule at work every day in every cell in your body.
April 9, 2021 • ~7 min
So far, most vaccines in the US are mRNA vaccines. These represent a new technology and are likely to take over the vaccine world. But how do they work? What are their weaknesses? Five experts explain.
March 16, 2021 • ~6 min
The coronavirus pandemic has driven a lot of scientific progress in the past year. But just as some of the social changes are likely here to stay, so are some medical innovations.
March 9, 2021 • ~12 min
With the vaccines now being administered at sites around the US, it is important to address misinformation surrounding the effort.
Feb. 18, 2021 • ~10 min
Why it takes 2 shots to make mRNA vaccines do their antibody-creating best – and what the data shows on delaying the booster dose
With slow vaccine distribution and manufacturing, some people won't get the second dose on time. But does it matter?
Jan. 28, 2021 • ~6 min
A biologist explains what proteins do in viruses, how they interact with human cells, how the vaccine delivers mRNA into the cell and how antibodies protect us.
Jan. 26, 2021 • ~8 min
Two pharmacists involved in COVID-19 vaccine preparation explain the role pharmacists are poised to play in expanding vaccine access.
Jan. 25, 2021 • ~7 min
Because Pfizer-BioNTech and Moderna vaccines have been developed in record time, many wonder whether companies cut corners or compromised safety.
Nov. 20, 2020 • ~6 min
How mRNA vaccines from Pfizer and Moderna work, why they're a breakthrough and why they need to be kept so cold
There are two new COVID-19 vaccines that appear to be more than 90% effective. But what are these vaccines, and how are they different from those used previously?
Nov. 18, 2020 • ~8 min