extremely significantP = 9.126×10 −14
Our results indicate that an extremely significant difference exists in the proportions of isolates from high, medium and low incidence regions for I-A8 and the remaining branches (P = 9.126×10 −14 ).
Our results indicate that an extremely significant difference exists in the proportions of isolates from high, medium and low incidence regions for I-A8 and the remaining branches (P = 9.126×10 −14 ).