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A look at the efforts of doctors and scientists to find the source of deadly pathogens and stop them from spreading.
Season 1, Episode 6
May 20, 2011
Men in Colorado experience a flu-like illness; a senior citizen in Virginia falls ill after returning from China.
Season 1, Episode 5
Injured troops return home from the Middle East with mutant bacteria; a deadly illness affects children nationwide.
Season 1, Episode 4
May 13, 2011
An earthquake in California releases a fungus that leads to the spread of a dangerous fever; a historic food recall is caused by a bacterial outbreak.
Season 1, Episode 3
May 6, 2011
Recipients of organs from the same donor display manic behavior and fall into comas; a potential smallpox outbreak in the Midwest is investigated.
Season 1, Episode 2
April 22, 2011
The CDC works with the military and a veterinarian to find the source of a disease that's affecting humans and animals alike in New York.
Season 1, Episode 1
April 15, 2011
A look at the efforts of doctors and scientists to find the source of deadly pathogens and stop them from spreading. In the opener, New York City deals with the threat of an anthrax attack.
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