Saurian virus
The Saurian virus was a viral disease. 

While on Dramia II in 2251, Dr. McCoy treated a Dramen colonist named Kol-Tai, who was afflicted with a  of the Saurian virus. Antibodies created to combat the Saurian virus were later discovered by McCoy to be the cure for the Dramia II plague that afflicted the crew of the . ()

fr:Virus saurien
de:Saurischer Virus
Microorganisms
Medical conditions