Fears arise that Carlos may have been infected with Crimean-Congo hemorrhagic fever.

A strange insect bites Carlos, who is investigating an outbreak of Crimean-Congo hemorrhagic fever aboard a...

NorBAC is tapped by Riddlemeyer and the team tries to find out why a bear attacked Craig.

NorBAC must find the creator of a weaponized biological agent released during the west coast fires.

A biological agent is released during fires on the West Coast; Rachel's son is attacked by a bear.

NorBAC searches for the source of a resistant strain of c. difficile; Bob proves to be an asset to the team.

Mayko tries to get rid of the pain she's feeling in her phantom limb; a high level of mercury contamination is...

The team traces the Sinatra virus to an organ donor in the Philippines; David blames himself for allowing Owen...

Mayko finds the missing link to the Sinatra syndrome; Owen tries to commit suicide.

A West Nile-like virus is breaking out in San Francisco; a scientist at the University of Toronto claims to be...

The teams deals with the deaths of several of their friends and colleagues.

David and Bob must find a cure to a bacterium that will kill them if they don't succeed.

The antidote that was created to cure the national guards isn't doing its job properly.

Children are all coming down with a mysterious and deadly disease that NorBAC has to stop.

The man is convinced that his young son is ill from eating a mutant fish.

The investigation continues in Arkansas; Owen is charged with criminal negligence for the death of a...

NorBAC is called to investigate a series of suicides in Arkansas.

Bob is trying to prevent a rain of concentrated sulfuric acid that would destroy Mexico City; two American...

Carlos and David help a scientist look into a claim that an exiled Cuban is a victim of bioterrorism.

Jill's new treatment for juvenile diabetes stops; the subway tunnel research continues.

David finds a bizarre community of homeless people in abandoned subway tunnels.

The new tri-therapy drug doesn't work on the HIV strain that Sean gave Audrey; Carlos is still searching for...

Jill goes to Canada to see if the Spanish Flu body is still in the ground. David recovers from his coma and...

David and Jill make a trip to Colorado where a rampant SARS-like outbreak is occurring.

NorBAC has been taken over by a joint command to deal with a catastrophic smallpox scenario. Bob tries to find...

In the continued investigation of the "Iraq War Syndrome", David checks out a theory that the water...

Privately contracted civilians who have returned from the Iraq war are exhibiting a wide range of mysterious...

A major power blackout on the Eastern Seaboard leads to fears of terrorist activity. NorBAC determines that a...

Carlos Serrano, the Senior Researcher at NorBAC, wants to help a friend dying of AIDS participate in cutting...

NorBAC reviews an experimental treatment being used on children with leukemia. Just as they are about to...

As the search continues for the source of the deadly prions, NorBAC zeros in on a large agribusiness suspected...

NorBAC investigates an outbreak of prion disease (mad cow) in humans. The victims are spread out across North...

Lilith and Mick decide to break into his father's office to find evidence that Mick is cloned.

David starts research to fight a very strong strain of HIV.

After the Spanish flu outbreak, David leaves Canada without telling his team where he is going.

David and Carlos are still investigating the poison that is affecting Charringa's lemon crops in Florida.

Norbac has finally found Patient Zero, and the hard part starts since it's a baby girl who is the carrier.