Last Man On Earth by William F. Leicestor
In the moive, The Last Man On Earth tells a story the main character Robert Morgan who lost his whole life because of a virus. This virus hit the town through the wind, it killed everyone in his town. Including his wife and daughter but not Robert. Robert was a scientist and he believed that while he was studing in Africa, he got bite by a bat. The bat gave him a virus that was able him not to get this vampire diease.
https://www.youtube.com/watch?v=OWlNe1-5wb8
Robert is alone for many years, during the day he tries to find vampire throughout the town. He carries around a stake to protect himself and kill any vampires that come in his direction. Robert wakes up in the morning and has to remove dead bodies off his lawn because his house is vampire off. At night the vampire try ataacking the house but that can not because Robert put crosses and garlic all around the house to keep them away.
https://www.youtube.com/watch?v=Gga0U5Kw5ks
On morning, Robert heard and noise he ran outside and saw a dog. Robert was shocked he thought "how can there be another living creature". Robert was so happy, he ran after the dog and grabbed him and put him inside his house. The next day Robert was on a walk outside in a field. He turned around and notice A HUMAN! A YOUNG GIRL! Robert could not believe his eyes. This was not a vampire it was human. He grab the girl and asked why she here? She said that there many of them still alive but they need help. They are half vampire and half human. Robert used his blood to give these people the right antibodies to survive.
https://www.youtube.com/watch?v=txexY8pEqLQ
Sources
Last Man on Earth (USA, 1964)
Tanith Lee, "Wolfland" (English literature)