An important new study from an area around Marojejy National Park shows that introduced species of small mammals like rats in degraded forests could spread hantavirus and other pathogens to wildlife and people.  Funded in part by the U.S. National Institute of Health and the U.S. National Science Foundation.

Could Restoring Forests Reduce Disease Risk? A Case Study of Hantavirus in Madagascar – Research Blog

Swidden agriculture in the mountains around Marojejy National Park