"[A global MERS outbreak] may never happen. [But] it could happen tomorrow. It could happen this afternoon. And I think there's clearly enough data to support that."
"There is either an animal reservoir that is widespread and we are not aware of it, or there is substantial unrecognized human-to-human transmission of this virus. Either way, this is a problem."
"The issue that we all worry about is what happens if this gets into a country that doesn’t have the same level of infection control capability in a health-care setting?"