Available subtitles: English [CC]
Available on Amazon Prime Video Channel "Cinemax"
"Warning Sign" is currently available on 2 providers. Warning Sign can be streamed free of charge on Amazon Prime Video (as part of a subscription), can be rented on Amazon Instant Video (SD/HD/4K) and Warning Sign can also be purchased at Amazon Instant Video (as download from the website or as Blu-ray Disc/DVD).
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An accident occurs in an ultra-secret government biological weapons laboratory spreading a sinister bacteria.
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