The military is entirely to patriotic to support Obama in any political sense - they will not keep the spread of Ebola overseas secret.
Doctors and nurses are not uniformly liberal - roughly half hate Obama with a passion that many on FR would envy. These experts will not allow any spread of Ebola to be kept secret.
We are facing pure evil, but even the thugs who are trying to destroy America have limits on what they can accomplish. They cannot keep Ebola out of the news.
They will keep it secret because no one wants to be swept up by irrational fear, and they’ve been assured that they’ll get the care they need, in privacy.