Definition of "sylvatic" []

• Affecting only wild animals: sylvatic rabies; sylvatic and domestic bacterial strains. (adjective)
• Sylvan. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Infection of humans: There are three types of transmission cycle for yellow fever: sylvatic, intermediate and urban."
• "All three cycles exist in Africa, but in South America, only sylvatic and urban yellow fever occur."
• "For example, mosquito control programmes against wild mosquitoes in forested areas are not practical or cost-effective for preventing sylvatic infections."