[Secret Agent Man]

What needs to be done is to determine if the measles strain was from vaccines or if it was a wild strain. That will tell you the origins of where it originated. There is a test to determine this. Wisconsin is doing it for the few cases here that trucked up here from Illinois.

[Kartographer]

"What needs to be done is"

everyone who enters this country do so in the legal and proper way, where they Identified, their backgrounds checked and they are screened by medical personnel for diseases.