Porphyria

Porphyria is a 2019 computer animated horror-comedy film produced by Walt Disney Animation Studios and released by Walt Disney Pictures. Directed by Neill Fearnley, the film stars the voices of Jeremy Dyson, Caroline Munro, Jeffrey Combs, and Clive Barker as the "Type-One" Vampire, Edward Pool. The plot concerns a father who returns to his hometown and discovers that its citizens are turning into vampires. Porphyria combines elements of both the vampire film and haunted house subgenres of horror.

Summary
A father of two takes the family on summer vacation to the town of Point Pleasant, West Virginia. There, he discovers that the Mothman legend isn't the only one that he's to be concerned about, for the town's residents are slowly turning into blood-sucking vampires, and "The Master"; a vampire responsible for his grandfather's death, is challenging him to a battle of a thousand years.

Here in Point Pleasant, "The Master" rules, and the worst, is yet, to come...