[H/T grey_whiskers]... in a not-so-tiny nation called Spain, a nursing home had a nasty virus get into it.It was March of 2020. The nasty virus was called Covid-19. And this nursing home, like so many others all over the world, was full of elderly, morbid people. The mean age of residents was 85 and 48% were over 80 years old. It was a killing field, like so many others.....Within three months 100% of the residents had caught the virus. Not presumed to have -- proved to have.How do we know this? Because almost every one of them seroconverted. All but...