@Drak wasn't the virus. Was a sedative, which would knock out a charging elephant in 20 strides. Might actually kill Roz, if her body weight is low. Of course, if she's immune to that, I have no idea how to go from here. If it would knock her out, I leave you to decide.
Bryce feels the lightning hit a few feet in front of him, and is sent flying from the strike, skin burnt to a crisp.