This is as fascinating as it is frightening: Scientists are working on vaccines that would spread on their own, like, you know, viruses. The idea is to achieve immunity in large populations of animals and thus prevent viruses from making their way to humans in the first place. Wild animals are hard if not impossible to vaccinatethe conventional way, hence the interest in this new way. Makes a lot of sense, and yet while reading this, a voice in my head keeps whispering: What could possibly go wrong?

From Weekly Filet #388, in April 2022.