An initial screening showed a patient at a Kansas hospital in isolation due to concerns of Ebola does not have the disease, according to Dr. Lee Norman, the University of Kansas chief medical officer said.
"The preliminary results are very, very encouraging for this gentleman," Norman said Tuesday.
The patient had been held in isolation after showing "serious symptoms", according to KSHB.com. Further tests are still being done, Norman said.
Officials are still trying to get control of the Ebola crisis in West Africa where the World Health Organization announced up to 10,000 new Ebola cases per week could take place in Guinea, Liberia and Sierra Leone by the end of the year, according to CNN.
The man in his early 40s had symptoms of fever, chills diarrhea, vomiting and dehydration, according to KSHB.com.
The news came the same day as Nina Pham, the Dallas nurse infected with Ebola, said she was "doing well", according to The Associated Press.
Centers for Disease Control and Prevention Director Thomas Frieden said Tuesday the first transmission of the disease in the United States showed problems in the system that must change. Frieden said a "relatively large number" of hospital workers at Texas Health Presbyterian Hospital in Dallas are in need of monitoring.
The disease has drawn the attention of those who might be able to donate substantial sums of money to the cause.
Facebook founder Mark Zuckerberg announced that he and his wife are donating $25 million to help the CDC fight Ebola.