A total of 844 people have been infected in Guinea, Liberia, and Sierra Leone as of July 6. WHO noted that 518 of those infected people have died.
"Between 3 and 6 July 2014, 50 new cases of EVD, including 25 deaths, were reported from the three countries as follows: Guinea, 0 new cases and 2 deaths; Liberia, 16 new cases with 9 deaths; and Sierra Leone 34 new cases and 14 deaths. These numbers include laboratory-confirmed, probable, and suspect cases and deaths of EVD."
The Ebola virus is spread by close contact and kills up to 90 percent of its victims. There is no known cure or antivirus.