Ethan Heidrich’s review published on Letterboxd:
Sick is completely crafted and at its best during some strong suspense scenes in the middle act, but it’s lacking a little in sharpness or wit to put it over the top for me. The pre-slasher stuff isn’t great and the messaging seems a little more convoluted than it should be. Performances are passable at best aside from Jane Adams, who is great as always. Watchable but not a necessity.