ReGenesis

Bob is put into a medically-induced coma to reduce the risk of infection resulting from the brain surgery he received at the end of last season. David and Carlos investigate a drug-resistant strain of TB that is killing Mexico's Zapatista Revolutionaries. Rachel and Mayko travel to a farming community where citizens are suffering a rash of horrific injuries due to an inability to feel pain.

David returns to Mexico to find Carlos and to deal with the drug-resistant TB strain that has been killing the Zapatista rebels Mayko and Rachel get a lead in the mysterious outbreak in Hudson and Bob comes out of a medically-induced coma with little memory of what happened to him.

As if being HIV positive wasn't enough, Wes is accidentally scratched by a needle tainted with a genetically-engineered, virulent strain of Hepatitis C.

Bob is haunted by memories of his time at Roth's secret lab; Wes insists that Rachel inject him with a highly experimental decoy drug to fight the virulent Hepatitis C. A contagious disease appears in a small town, resulting in mysterious brain inflammation.

After an experimental treatment for Hep C nearly kills him, Wes quits NorBAC to enroll in a revolutionary HCV program in Stockholm. A racist city councilor claims his daughter was poisoned by Muslim extremists. The FDA is willing to expedite some drugs to save an immune-deficient woman infected with smallpox.

When a mysterious outbreak at the Tour Cycle Quebec hospitalizes several cyclists, NorBAC must investigate. Meanwhile, a controversial hyperbaric chamber treatment may help Bob manage his brain infection.

A pharmaceutical company comes under fire when its newly-marketed immune suppressing drug triggers a high incidence of congestive heart failure. David must find a replacement for Wes. Bob recalls romantic memories of a girl named Nina after suffering a stroke.

Bob finally tracks down Nina but makes a gruesome discovery at Roth's lab that suggests an experiment on Nina is about to go terribly wrong. The team investigates unusual crow attacks that appear to target military airports.

A terrorist cell infiltrates the NorBAC lab and forces the scientists to produce a deadly measles mutation to be used as chemical warfare.

Disregarding procedure, David hires his new lover, Enuka. Mayko is contacted by the parents of a sick child who believe she is their last hope. Scientists must discover how to deactivate Nina's Jacobson's Organ as her behavior becomes increasingly erratic and violent.

Forensic evidence in the case of a young boy's murder leads the NorBAC team to investigate the existence of a prehistoric creature, believed extinct for 10,000 years. A dramatic development complicates NorBAC.s plans to deactivate Nina's Jacobson's Organ.

Roth has given the world's most powerful leaders the stem cell treatment that Bob has discovered leads to violent paranoia. A horrific atrocity is uncovered as Carlos investigates a mysterious outbreak in Moldova.

David is more determined than ever to stop the birth of the first human clone after he has a chilling glimpse into the future.