请调整浏览器窗口大小或者请使用手机查看!
A $3 billion U.S. budget cut threatens NorBAC's operation as an abnormal West Nile-like virus breaks out in San Francisco. A scientist at the University of Toronto offers to help Owen overcome his addiction.
NorBAC speculates a dangerous, airborne bacterium is a result of the explosion of the lab in Utah. The team must engineer a cure to eradicate it before it proves fatal for David and Bob.
NorBAC scrambles to find Patient Zero as a deadly virus continues to ravage San Francisco and Boston. Owen tries to commit suicide while David and Angelica argue over his treatment options.