no. werewolvs were not interdused till the prisoner of azcaban. only because hermione figured out that lupin was a werewolf and he had transformed in front of the trio. not to mention snape had taught a lesson on werewolvs hoping someone will figure out the simptoms of lupin and figgure out that he was a werewolf.(sorry im obsessed and no a lot. and its sad i didnt need a book یا anything to give all that info)
If I recall correctly, Werewolves were mentioned in The Chamber of Secrets book, albeit breifly; Gilderoy Lockhart authored a book titled ' Wandering with Werewolves '. However, this fact may not have been present in the movie adaptation.