Flaviviridae Togaviridae Bunyaviridae Reoviridae
8 Population (Billion) 7 6 5 4 3 2 1 0 Total 5.5 billion 39% 2000 City Years Total 8.3 billion 56% 2025 Culex mosquitoes Swine Humans Horses
Korea Jet Stream China Japan Malaysia Indonesia Australia Point