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[indicus]

Ticks?????, how the hell???.....i'm sure you do know the difference; but it's odd to say the least.
Most outbreaks with mites etc can start with one cage, then another etc. Be ultra clean; washing hands, snake bins and cleaning equipment, between all your herps. Get your childrens their own cleaning gear, bin etc. Move the bank to another room if possible, and try to find out why and how they came to be on the childrens alone???......substraights??? etc