A West Nile virus recipe for a the whole neighborhood

Ingredients

• Impervious surfaces (roads and roofs work best)
• Breeding habitat for mosquitoes (ditches and sewer drains) 
• Mosquitoes (Culex or Aedes) 
• Simplified bird community (robins work best but you can substitute house  sparrows) 
• Mild winters followed by extended dry periods with periodic heavy rains
• People
• Serves tens of thousands!

If you have trouble putting together the ingredients, no problem!  

Kits are available 

Just add an urban environment!