简介：Data on virus genotypes in Turkey may also be a clue for virus Confirming a previous study, the majority of patients with HCV infection had genotype 1b, but 1a was also not rare (23). Surprisingly, type 2 and 4 were very rare, although they are prevalent in other Mediterranean countries. HCV type 1b is, however, predominant in Central Asia from where a major part of the Turkish population migrated centuries ago to Turkey (24).