Lane Carroll, Will MacMillan, Harold Wayne Jones, Lynn Lowry. A government agency causes an accident which unleashes a deadly virus in a Pennsylvania town, then orders the military to "clean up" the town in this thriller directed by George Romero. Also released as Code Name: Trixie. Includes new audio commentary with Travis Crawford, featurette with Romero historian Lawrence DeVincentz, interview and Q&A with Lynn Lowry, audio interview with producer Lee Hessel, behind-the-scenes footage with commentary by DeVincentz, alternate opening titles, image gallery and trailers on 2 Discs. 1973/color/103 min/NR/widescreen.