] There are two suspected cases here in Missouri, one in
] Springfield and one in St. Louis. But the State Health
] Department says in those cases, the individuals are no
] longer showing any symptoms.

According to information from April 1st, these were a 37-year-old man in St. Louis, and a 41-year-old man in Springfield. I've been unable to locate any information as to how they came in contact with the disease, but it's good to know that there have been no new reported cases in Missouri over the last few weeks:
 http://www.kmiz.com/news/headlines/281716.html