The authors acknowledge and thank the following individuals and entities. Fieldwork participants came from the Bureau of Animal Industry, Department of Agriculture, Philippines; the (then) Protected Areas and Wildlife Bureau, Department of Environment and Natural Resources, Philippines; the National Epidemiology Center, Department of Health, Philippines; the Ecology Center, Subic Bay Metropolitan Authority, Philippines; the Wildlife in Need Rescue Center, Subic Bay Freeport Zone, Philippines; and several independent Philippine wildlife researchers (Apolinario Cariño, Mariano Roy Duya, Tammy Mildenstein, Joel Sarmiento). Equipment and logistic support came from the Philippine Government Department of Agriculture and the Department of Environment and Natural Resources, the Australian Government Department of Fisheries and Forestry, the United Nations Food and Agriculture Organization EMPRES Wildlife Health and Ecology Unit, Biak na Bato National Park, the municipal government of Doña Remedios Trinidad, Bulacan, and the Subic Bay Metropolitan Authority Fire Department. The views expressed in this publication are those of the authors and do not necessarily reflect the views of FAO. PD, JHE and KJO were supported by NIAID Non-biodefense emerging infectious disease research opportunities award 1 R01 AI079231. PD, JHE and KJO were supported by NIAID Non-biodefense emerging infectious disease research opportunities award 1 R01 AI079231. This work benefitted from techniques developed under USAID-EPT-PREDICT.