The Day Everything Went Still by Leticia Toraci
'Helena wakes up in a still world. She seems to have survived fatal drug-resistant pneumonia, even if she was dying the night before. She was then used to the idea of dying in a world taken to chaos by most of its population getting ill with fatal diseases. In this new world she can't see dead bodies on the street, the supermarkets aren't pilfered and she can't see living humans around her house. To which world has she awaken to?'