Israeli Prime Minister Benjamin Netanyahu described the Ebola virus outbreak as a major threat to the country's borders and has ordered screenings at all crossings. 'As part of the effort to defend its borders Israel is preparing to stop as much as possible the entry of Ebola patients' Xinhua quoted Netanyahu as saying at a meeting on Sunday. (Read: What is the Ebola incubation period?) Netanyahu has instructed customs and border protection personnel to question all travellers arriving in Israel who have been in Liberia Guinea and Sierra Leone. In addition informational signs about Ebola in Hebrew English French and