Ok, I'll bite on your bait. The hot and heavy border blitz? The latest border breach? Are you referring to the children who were mostly coming from small central American countries? They were voluntarily turning themselves in to border agents and were confined to resettlement camps. Were there disease outbreaks of vaccine preventable illnesses in these camps? Was the "border blitz" shown in fact, in reality, in the real world to have imported any illnesses? There has been plenty of time for those reports. The CDC promptly investigates outbreaks of reports of illnesses and certainly these camps were watched. So what exactly are you talking about?

Carson was wrong. If you want to stop the importation of measles, the topic of this thread, then you would need to tighten the rules on visitors from the 1st and 2nd world economies, not the 3rd world. Carson was just being inflammatory and playing to the prejudice of the right wing.