Forever Knight - Season 3 - Eps 13: Fever
A scientist is murdered and a lab rat escapes when industrial espionage goes awry. But far worse things begin to happen when the lab rat, infected with a newly engineered virus becomes Screed's next meal. Designed to combat HIV, the virus becomes lethal to vampires as it multiplies and intensifies each time they "feed". As the virus spreads rapidly through the vampire community, it infects Vachon, Nick, and LaCroix. Nick races agains time to find the killer - while Natalie struggles to find a cure.
About Forever Knight

Title: Forever Knight
First Air Date: 1992-05-05
Last Air Date: 1996-05-18
Status: Ended
Rating: 6.7/10 (from 26 votes)
Language: EN
Seasons: 4
Total Episodes: 70
Network: CBS
Genres: Drama, Mystery, Sci-Fi & Fantasy, Crime
Production Companies: USA Network, Glen Warren Productions, Paragon Entertainment Corporation, TriStar Television, Tele München
Synopsis
Forever Knight is a Canadian television series about Nick Knight, an 800-year-old vampire working as a police detective in modern day Toronto. Wracked with guilt for centuries of killing others, he seeks redemption by working as a homicide detective on the night shift while struggling to find a way to become human again. The series premiered on May 5, 1992 and concluded with the third season finale on May 17, 1996.
Cast

Geraint Wyn Davies
Nick Knight

Nigel Bennett
Lucien LaCroix

Catherine Disher
Dr. Natalie Lambert

Ben Bass
Javier Vachon

John Kapelos
Det. Don Schanke

Blu Mankuma
Capt. Joe Reese

Gary Farmer
Capt. Joe Stonetree

Natsuko Ohama
Capt. Amanda Cohen

Lisa Ryder
Det. Tracy Vetter