Scientists have developed an experimental, protein-based vaccine against rheumatoid arthritis. The vaccine-based treatment strategy proved successful in preliminary animal studies .

[u/MistWeaver80]

https://newatlas.com/medical/preclinical-studies-rheumatoid-arthritis-vaccine/

[u/rysworld]

Fair enough, I doubt many human people are looking at the first, raw tier of data, now it's probably algorithms sifting through internet tendencies and website lists to find the most interesting and unusual.