Geographical distribution of
shared types in Pakistan. The map describes the geographical distribution of different genotypes in the Sindh, Punjab, NWFP and Baluchistan provinces. The prevalence of CAS genotype and predominant clusters in each province is depicted. Clades: Beijing ;Central Asian strains CAS; Central Asian sub-families; T1 ill-defined T family; Haarlem H strains; East African Indian strain EAI strains.