... Tajima K. An epidemiological study of HBV, HCV, and HTLV-1 in Sherpas of Nepal. Asian Pac J Cancer Prev. 2004; 5(4):370-3. 30. Panigrahi AK, Panda SK, Dixit RK, Rao KV, Acharya SK, Dasarathy ... world. Incidence rates across the world fluctuate and are difficult to calculate given the asymptomatic, often latent nature of the disease prior to clinical presentation. Prevalence rates across ... F, Costantino A, Rapicetta M, Lecce R, Taliani G. High prevalence of hepatitis C virus infection in a small central Italian town: lack of evidence of parenteral exposure. Ital J Gastroenterol...