An Ebola-like virus is spreading in Rwanda. Why isn’t there an approved vaccine for Marburg? Vox.comWhat to Know About the Marburg Virus Disease Outbreak The New York TimesDeadly Marburg virus: scientists race to test vaccines in outbreak Nature.comRwanda confirms more Marburg cases, plans vaccine trial University of Minnesota Twin CitiesU.S. issues travel advisory to this African nation due to disease outbreak, violence NJ.com