No, Jane was fine. Well, Jane was still looking a bit startled, though she caught on more quickly than Sif had -- but she was, at least, holding the vaccine tray without having actually become stuck with any of them.
Jane was a quick hand at catching things.
"What did you say?" she prompted, maybe picking out the word 'supervisor' in what Thor said; she was laughing as she asked, so it was clear she wasn't really bothered. This kind of thing didn't happen every day, and it wasn't an exam!