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Monthly occurrence of dominant rotavirus electropherotypes of serotypes G1 (six strains) and G2 (two strains) identified in Australian urban centers from 1993 to 1996. The areas of the circles are proportional to the number of isolates. Per, Perth; Dar, Darwin; ASp, Alice Springs; Adl, Adelaide; Bris, Brisbane; Syd, Sydney; Mel, Melbourne; Hob, Hobart.
