The NPR Short Wave podcast did a great explainer on why natural herd immunity to COVID-19 is not possible (13 minutes).
The Human Genome Nomenclature Committee has changed the names of humane genes and proteins because the symbols were being automatically converted to dates in Microsoft Excel. Symbols such as SEPT1 and MARCH1 have been changed to SEPTIN1 and MARCHF1. The tyranny of Excel's rule continues unabated :-p