http://imdb.com/title/tt0073705/

Shivers (1975)
6.6/10 from 11995 users Updated : 2016-06-08
Rating: 6.8/10
[fresh!] 86% [audience liked it!] 60%
Horror , Sci-Fi
Paul Hampton , Joe Silver , Lynn Lowry , Allan Kolman , Susan Petrie , Barbara Steele , Ronald Mlodzik , Barry Baldaro , Camil Ducharme ,
Hanna Poznanska , Wally Martin , Vlasta Vrana , Silvie Debois , Charles Perley , Al Rochman
David Cronenberg
87
1975
A scientist living in an apartment complex kills a girl and uses acid to destroy her internal organs| and then kills himself. While investigating| a doctor discovers
that the scientist was doing experiments on the use of genetically engineered parasites as organ transplants. Soon| other people in the complex begin showing signs
of carrying the parasites| spreading the things through wanton orgiastic abandon| and the complex begins suffering an attrition problem.