RAY WENCK

Forcing a meeting with the facilities leader, Dr. Ohtanda, Mark soon discovers the deadly virus that wiped out most of the population may be morphing into a more powerful strain. Dr. Ohtanda is working on a vaccine, but was the release an accident or a deliberate terrorist act—and who is responsible? Was it the Chinese? Our own government? A terrorist group? Or a secret organization with the goal of being the lone survivors?