#Mutations may have saved brown howler monkeys from yellow fever virus
“#Mutations may have saved brown howler monkeys from yellow fever virus” A male brown howler monkey (Alouatta guariba clamitans) in El Parque El Piñalito in the Misiones province of northeastern Argentina. Credit: Ilaria Agostini At the start of her 2008 field season at El Parque El Piñalito in the Misiones province in northeastern Argentina, Ilaria…