World/Pandemic, North America, Europe, Russia/Siberia, Africa, Asia
austrocalifornicus , effusus , laxus , pacificus , solutus
All sorts of environments, Banks, ditches, marshes, Shores of rivers or lakes
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
Africa, Asia, Australia, Europe, North America, South America, Southern India