Six major HCV genotypes (HCV1–6) have been identified, which vary in their geographic distribution and response to treatments. Figure 1: Worldwide prevalence of hepatitis C in millions.

Before starting treatment, you need to take a simple blood test to learn which genotype you have. Some DAAs can be used to treat all hepatitis C genotypes. Effective direct-acting antiviral or 'DAA' ...

The implementation of universal hepatitis vaccination in most countries has substantially reduced the prevalence of HBV over the last decades, irrespective of genotype distribution. Limited ...