- HD 1080
- Runtime: 99m.
- Status: Released
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- Languages: en
- Country: United States of America
- Director: Hal Barwood
- Stars: Sam Waterston, Kathleen Quinlan, Yaphet Kotto, Jeffrey DeMunn, Richard Dysart
- keywords: zombie, biological warfare, catastrophe, virus
- Production_studio: 20th Century Fox, SLM Production Group
- Slogan: Modern man. Science has given him the ultimate power to create new forms of life. But with that power comes overwhelming responsibility...and danger.
- The Warning Sign is featured in the top rankings of 1985
- #96 in Top Drama Movies of 1985
- #26 in Top Thriller Movies of 1985
An accident occurs in an ultra-secret government biological weapons laboratory spreading a sinister bacteria.
