A couple good things came from #COVID. Here's one of them: one of the major flu strains has gone effectively extinct.
FTA "it would be the first documented instance of a virus going extinct due to changes in human behavior, said Dr. Rebecca Wurtz"

https://www.npr.org/sections/shots-health-news/2024/10/17/nx-s1-5155104/flu-shot-vaccine-b-yamagata-extinct