The diagnosis of a U.S. health-care worker who contracted Ebola after being in contact with an infected patient in Dallas raises the possibility that other caregivers may have been exposed to the deadly virus. The unidentified worker at Texas Health Presbyterian Hospital registered positive in a preliminary test that will be subjected to a second analysis by the Centers for Disease Control and Prevention. The results of that second test are expected later today, the CDC said. Read more http://www.bloomberg.com/news/2014-10-12/dallas-hospital-worker-diagnosed-with-ebola-in-u-s.html