Masks for COVID: Updating the evidence

Notes taken whilst preparing a paper on mask efficacy from Nov to Jan 2022. My previous paper on this was written in April 2020 and published in the Proceedings of the National Academy of Science

over a year ago

Remove from reading list Add to reading list [alt+a] Read now [→]

Improve your reading experience

Logged in users get linked directly to articles resulting in a better reading experience. Please login for free, it takes less than 1 minute.

More from fast.ai

fasttransform: Reversible Pipelines Made Simple

Introducing fasttransform, a Python library that makes data transformations reversible and extensible through the power of multiple dispatch.

4 months ago • 21 votes

What AI can tell us about microscope slides

A friendly introduction to Foundation Models for Computational Pathology

5 months ago • 41 votes

What AI can tell us about microscope slides

A friendly introduction to Foundation Models for Computational Pathology

5 months ago • 30 votes

A New Chapter for fast.ai: How To Solve It With Code

fast.ai is joining Answer.AI, and we’re announcing a new kind of educational experience, ‘How To Solve It With Code’

8 months ago • 77 votes

In defense of screen time

Pundits say my husband and I are parenting wrong.

8 months ago • 92 votes

More in AI

AI Has Fundamentally Changed the Music Industry

A case study of Spotify's algorithm, including how it works and the impact it has

20 hours ago • 2 votes

AI Roundup 126: Good Grok / Bad Grok

July 11, 2025.

16 hours ago • 2 votes

Seeing like an LLM

"I will run the tests again. I expect nothing. I am a leaf on the wind." an LLM while coding

3 days ago • 5 votes

ML Jobs, Resources, and Content for Software Engineers #15: Stay Married to the Problem, Not the Solution

An AI reading list curated to make you a better engineer: 7-8-25

4 days ago • 9 votes

The fair as an allegory

4 days ago • 10 votes

New here?