Blood Quantum

Blood Quantum is a 2019 Canadian horror film written, directed, and edited by Jeff Barnaby and starring Michael Greyeyes, Elle-Máijá Tailfeathers, Forrest Goodluck, Kiowa Gordon, Brandon Oakes, Olivia Scriven, Kawennáhere Devery Jacobs, and Gary Farmer. The film depicts the effects of a zombie uprising on a First Nations reserve whose residents are immune to contracting the plague because of their indigenous genetics, but must still cope with the consequences of its effects on the world around them, including white refugees seeking shelter on the reserve.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.