Wow, only 50 doctors. That's sad. I feel bad for those people. But we do need to ensure the safety of our own people; best done by blocking travel to the USA from those affected nations. Heck, some european countries are blocking travel, why shouldn't we. Our nation and our people are sending help, so we're not heartless. Too bad our Presidunce Obummer isn't protecting us.
Here the article on that info....
http://www.theguardian.com/world/2014/oct/04/ebola-zaire-peter-piot-outbreak