| control of ebola virus disease - firestone district, liberia, 2014. | on march 30, 2014, the ministry of health and social welfare (mohsw) of liberia alerted health officials at firestone liberia, inc. (firestone) of the first known case of ebola virus disease (ebola) inside the firestone rubber tree plantation of liberia. the patient, who was the wife of a firestone employee, had cared for a family member with confirmed ebola in lofa county, the epicenter of the ebola outbreak in liberia during march-april 2014. to prevent a large outbreak among firestone's 8,500 ... | 2014 | 25340914 |