
Julia Belluz
Freelance contributor
Latest articles by Julia Belluz


Covid-19 vaccines are here. So are new mutations. Here’s what you should know.


The FDA could make an emergency use authorization as soon as this weekend, paving the way for distribution.


Hilda Bastian on the most important pandemic vaccine in the pipeline and why we’re on track for annual booster shots.



Eighty million Covid-19 vaccines doses have gone out — but only 55 in a low-income country.


Health experts say you should avoid optional trips whenever you can. You probably need a better mask, too.


The variant carries mutations that may weaken the effect of vaccines, and Moderna is now exploring changes to its vaccine.

The new mutations first discovered in the UK and South Africa are spreading fast around the world — and could diminish the effectiveness of the existing vaccines.


There’s some good news for those who’ve already been infected with the coronavirus.


When hospitals fill up, the risk of death for coronavirus patients spikes, new studies find.