Was the "Russian flu" caused by a zoonotic coronavirus crossover? Despite dominating the media's focus over the last 17 months, SARS-Cov-2 is not the only coronavirus currently in circulation and is infecting humans. In fact, there are four of them in circulation. In this instalment of Slow Boring, Matthew Yglesias puts into perspective our historical approach to diseases through the lens of what was known as the "Russian flu".
From Matthew Yglesias