As part of the LessWrong Coronavirus Link Database, Ben, Elizabeth and I are publishing daily update posts with all the new links we are adding each day that we ranked a 3 or above in our importance rankings. Here are all the top links that we added yesterday (March 21st), by topic.


US Map of General Seasonal Illnesses Data

Uses current data to show seasonal illnesses in the US, and indicates whether this is abnormal or expected. Oregon State University.


Guide to Oxygen Supplementation (by amateur)

Clear explanations of why you need oxygen, how the various devices work, links to open source projects for building them, etc.


List of things to do during a pandemic for happiness/meaning

List of 40 activities to do indoors that are cheap/free.

(BP) ClearerThinking always do things competently and well, and I think the list is genuinely good.

Spread & Prevention

Paper modelling R0 and doubling rate with interactive graphics

Lots of up-to-date info and good graphics. Centre for Mathematical Modelling of Infectious Diseases.

Work & Donate

Paul Graham recommends donating to mRelief, which helps people get government benefits

He claims they have a 114x return on donations. Donation page is


Description of historically plausible path from democracy to authoritarian state via COVID-19

Short concrete outline of how it might happen. Briefly explains that the lockdown is not a likely path to authoritarianism, but instead that healthcare tracking could become necessary and go alongside location tracking in a way that becomes overpowered. 

Full Database Link

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