When to spray: A time-scale calculus approach to controlling the impact of west nile virus

Agriculture & Biology

• calculi 93%
• West Nile virus 85%
• Culicidae 57%
• summer 32%
• temperature 26%
• Corvus 24%
• crows 21%
• metropolitan areas 21%
• viruses 21%
• mosquito control 20%
• encephalitis 20%
• eggs 19%
• migratory birds 19%
• infection 17%
• simulation models 17%
• population growth 15%
• mathematical models 15%
• life cycle (organisms) 14%
• virulence 13%
• winter 10%
• birds 10%

Earth & Environmental Sciences

• West Nile virus 100%
• mosquito 78%
• spray 65%
• timescale 47%
• virus 25%
• egg 25%
• infection 24%
• summer 23%
• encephalitis 19%
• migratory bird 17%
• virulence 17%
• temperature 14%
• metropolitan area 13%
• bird 11%
• life cycle 10%
• mortality 10%
• cold 9%
• winter 8%
• policy 8%
• city 7%
• program 7%
• simulation 5%