Whether in the extended lore or the games themselves, vampires have always been a part of the Elder Scrolls lore. They stalk the living at night, drink their blood and, in some cases, turn them into one of their own. In The Elder Scrolls V: Skyrim, the Dragonborn can become a vampire and experience all the benefits - and detriments - that come with the title.
Source:https://www.cbr.com/skyrim-vampire-guide-cure/