Can someone explain the use of the word "vaccine" here?

My layman's understanding of medical industry is that a vaccine is only useful against a "virus". Has the word "vaccine" turned into a generic word for "medicine" in many cases?

They state "vaccine development strategies" as their motivations, but seem to skip over the idea what the actual definition of a vaccine is, but then allude to it by stating "drug-vaccine conjugation" after already stating (as fact) there is such a thing as "METH vaccine development strategies".

Maybe I am just too much an outsider, but the past 20 years I feel like a vaccine can cure more than it could in the past...