World/Pandemic, North America, Europe, Russia/Siberia, Northern Africa, Asia, India
Northeastern United States, North-Central United States, Canada, Northern Europe, Russia/Siberia, Japan
A1, A2, A3, H1, H2, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
21,22