KMCRIC

A year like no other

This year saw an explosion of research into COVID-19—by mid-December, more than 200,000 papers had been published in peer-reviewed journals, and many more had been posted online to non—peer-reviewed preprint servers. Key findings appear below, pegged to the date they first appeared online. At the same time, the world was struggling—and in many places, failing—to contain the pandemic.