World/Pandemic, North America, Europe, Russia/Siberia, Northern Africa, Asia, India
Western United States, Northwestern United States, Southwestern United States, California
21,22
H1, 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