Possibility Isn’t Proof: Did SARS-CoV-2 escape from a Chinese lab?

Source:Library of Congress, Geography and Map Division (Central Intelligence Agency)

This week I’ve seen a lot of chatter and innuendo suggesting, or flat-out accusing, that SARS-CoV-2 came from a Chinese laboratory.

Before you spread these rumors, consider these things.

First, keep clear in your mind the difference between two different accusations:

  1. That China (or insert your…