The Centers for Disease Control edited its Ebola prevention fact page on September 19. A note at the bottom of the page says as much. cdc-ebola-1 So what was changed? Here is the top of the page as it reads now, after the edit. (Snip) As you can see, the CDC edited out the following text on Sept 19: Because we still do not know exactly how people are infected with Ebola, few primary prevention measures have been established and no vaccine exists. When cases of the disease do appear, risk of transmission is increased within healthcare settings. Therefore, healthcare...