Clin Infect Dis 66 (1): 131 - 133, 2018. doi: 10.1093 / cid / cix705 Diagnosis of Marburg and Ebola Virus Infections Evaluation and testing per the Centers for Disease Control and Prevention guidelines Enzyme-linked immunosorbent blood assay (ELISA) and reverse transcriptase-polymerase chain reaction (RT-PCR) Marburg or Ebola virus infection is suspected in patients with bleeding tendencies, fever, other symptoms consistent with early filovirus infection, and travel from endemic areas.