How Many People Have Had COVID-19?

A difficult question we’ve spent most of the last year trying to answer

Pictured: Daily routine, 2020 style. Source: Pexels
Ah, stock photos of home offices. Something to aspire to. Source: Pexels

Models and Tests

Stock photo results for “mathematical model” are, uh, strange. Source: Pexels
Pictured: Smaller than Tokyo. Source: Pexels

The Question

Graphs from Chen et al, 2020

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