| pattern and molecular epidemiology of hepatitis b virus genotypes circulating in pakistan. | the continuously mutating nature of hepatitis b virus (hbv) is responsible for the emergence of varying genotypes in different regions of the world affecting the disease outcome. the objective of the current study was to find out the pattern of hbv genotypes circulating in pakistan. hbv genotypes were determined in hbv chronic patients of different age and gender from all the four different geographical regions (provinces) of pakistan for a period of 2 years (2007-2009). out of the total 3137 co ... | 2010 | 20727423 |