The episode highlights the tension between the military and civilian leadership, as Major Sheppard and Teyla defy Dr. Weir's direct orders to stop the escaping scientist. It also provides a rare look at Dr. McKay's vulnerability when he realizes he has been infected and faces his own mortality. Production Note
Who created the human killing nano virus in Stargate Atlantis? [S1E13] Hot Zone
To stop the nanobots, the team determines that an Electromagnetic Pulse (EMP) is required to disable their circuitry. Major Sheppard eventually detonates a naquadah generator high above the city to generate the necessary pulse, effectively "killing" the machines in the residents' bloodstreams. The episode highlights the tension between the military