Akihiko was happy enough to leave the subject of the viruses behind, and he shook his head, frowning. "I haven't seen him, either. I mean, I was away for a few days, but I didn't see him today, either. It's not just you. I wonder what he's up to."

It wasn't totally unusual not to know what Jack was up to at any given moment, but now that he thought about it, it was unusual to see him this infrequently.