And those he infected infects others and those infect others and so on and so on. The cat is out of the bag and the CDC can't put it back in. No way can they ever think it's possible to round up everyone he came in contact with and who those came in contact with, etc.
All that can happen now is health workers go way diligent.
And that will freak out patients visiting them.
Zero and Val are laughing themselves silly with the predicament they put us in.
Depends on the victims and their habits and occupations, but they managed to track the spread in Nigeria and we ought to be able to do that here in most cases. The problem is we will have 100's of these infiltrations, if not more.