BEIJING (AP) — North Korea's quarantine of foreigners to prevent Ebola has not disrupted business with the nation's largest trading partner, Chinese businesspeople say, although a tourist ban has hurt travel agencies that run tours to the reclusive country. Tourist visits were halted last week, and North Korea announced Thursday it would quarantine other visitors for 21 days over fears of the spread of the Ebola virus.Read more on NewsOK.com