[Oh. Newt frowns. He hasn't had a chance to talk to Raven since that huge group returned from their various expeditions, so this is a new development for him.]

Can you... not talk? What happened?

[She has probably been through this line of questioning like a million times by now, but he's asking anyway.]

Katara told me about those, uh, bugs? She said she got stung and that's what took off her arm. They get you too?