As described, the Zombie virus is not "contagious" (requiring only casual contact) but infectious."
At 24:18 Ravi Is Explaining To Clive His Method For Reversing Memory Loss And Mentions: "The Positive Cathode". There Is No Such Thing. In ANY Electric Circuit It Is The Anode Which Has A Positive Charge While The Cathode Has A Negative Charge.
At 40:32 The Runners Are Not In Step. In Military Training everything Is Done In A Coordinated Manner.