Conserved cis-acting sequences. Filoviridae - Conserved cis-acting sequences of RNA viruses as antiviral drug targets. - http://www.microbiology.wustl.edu/dept/fac/huang/ccas/ccas/fil.html
Marburg virus - A look at the Marburg virus by the Australian National University. - http://www.ncbi.nlm.nih.gov/ICTVdb/ICTVdB/25010001.htm#Morphe
CDC: Disease Information: Marburg Hemorrhagic Fever - Centers for Disease Control and Prevention gives a detailed description of marburg and its symptoms, fatality rate, and history. - http://www.cdc.gov/ncidod/dvrd/spb/mnpages/dispages/marburg.htm