In the Apocalypse, as a Virus, I Can Evolve Infinitely

Anze wakes up from a coma. After waking up, he found that a zombie virus broke out in the world, and he lost all his memories before coma. He only remembered that he wanted to save his sister Anli. He slowly discovered that he had some magical powers. He can absorb all living things and take on their form. After turning into someone else, you can not only imitate the appearance of clothes, but also gain memories. Words, deeds, and all kinds of little habits can be imitated! It's even possible through genetic testing! He is able to transform the abilities of some of the monsters he absorbs! This terrifying ability came from nowhere, and he himself gradually became less human... Can Anze find the source of his abilities and his lost memory? What is the truth about this terrifying zombie virus?