Just how contagious is COVID-19? This chart puts it in perspective.

Everything epidemiology can tell us about the new coronavirus.

Matthew R. Francis
February 20, 2020

Latest

Your guide to all the security settings in iOS 14
The US military’s heat weapon is real and painful. Here’s what it does.
America has a long history of forced sterilization
New features to look for in the iOS 14 iPhone update
Why orange skies fill us with a sense of impending doom
The TikTok ban is coming, but you can still download the app—for now
Thousands of dying birds out West could reveal an even bigger environmental tragedy
Big Ten football players will get daily COVID-19 tests, but that might not be enough
The secret to perfectly crispy fried chicken