Yes you are, [ Strange responds, absolutely oblivious to what Foster's implying, ] which is why we're all working together to help cure you and the others.

[ His tone is very much DUH, FOSTER, of course you're infected. This lingers for just a moment before Strange continues talking about other ways that Foster could help out. ]

Obviously we wouldn't want to first test any cures on one of us. I think the Ringmaster would be quite put out if some of her staff was murdered in an attempt to heal them. But if you could find any mice or birds or something like that, we'd have eternal test subjects!