Another person has been tested positive for Ebola virus in the U.S. 33-year old Craig Spencer was treating Ebola patients in Guinea one of the Ebola-hit nations in West Africa with the organisation Doctors Without Borders. He had returned to New York 10 days ago and developed fever and gastrointestinal symptoms after reaching US. He is the fourth person diagnosed with Ebola in the US and the first to be diagnosed outside Dallas Texas. After developing symptoms he was rushed to Bellevue Hospital Center Thursday. (Read: 10 reasons that make the Ebola virus deadly for humans). Dr Ross Wilson Chief