Medical Investigation
Half Life (2) (1x17)
:
The NIH team teams up with the officers of the 55th Precinct in New York City to try to figure out what is the source of an outbreak of Marburg, a deadly disease with no known cure. They also try to locate patient zero, a murder suspect on the run, who is helping to spread the disease throughout New York City.
(In the Family Way (1) aired on Third Watch, season 6, episode 16.)