In which I explain why, due to basic probability math, an effective vaccine administered to many people may result in more infections among vaccinated people than among unvaccinated people: https://www.chronline.com/stories/letter-to-the-editor-cooties-comparison-illustrates-effectiveness-of-vaccine. This was published in The Chronicle (Centralia, Washington), October 15, 2021.
I wrote this more quickly than the others letters I've written so far, and I think it shows. Oh well. It was a good idea for a letter, anyway!
The only issue here I won't claim responsibility for is comma errors. They edited this for AP style before publishing it, and when they did, they introduced some comma drama.