Suspected he wouldn’t have been exposed. Nina Pham was admitted with minor symptoms, to my recollection. The dogs in Africa had been exposed by eating infected animal carcasses, and even then weren’t symptomatic. As I understood that 2005 CDC study, they had antibodies but no detectable infection.
And Bentley was no threat unless somebody ate him.
*Bushmeat* is the unspoken key to “contact with dead animals”.