"Yeah, it's part of the protocol," Rory says with a slightly wry look tossed over his shoulder.

"It's more of a bother than anything, just because we're all rather convinced we're healthy when we get here. But ... like I'd explained, one person's healthy immunity could mean the downfall of another."

To ... take it to a little more of an exaggerated stance.

"Right. So are you ready to do a scan?"