To the Editor: The clinical manifestations and evolution ofhepatitis C virus (HCV) infection are thought to be influencedby the viral genotype and by the immunoreactivity of the infectedperson.1 These factors sometimes also determine the appearanceof liverkidneymicrosomal autoantibodies type 1(LKM-1).2 We report discordant manifestations and evolutionof HCV infection in a pair of monozygotic twins (with a probabilityof monozygosity greater than 99 percent).3 One had acute hepatitisand recovered fully. The other had chronic hepatitis associatedwith the appearance of LKM-1 autoantibodies.
The two men, both 20 years of age, share the HLA haplotype A2,11;B8,44;DR3,4;DQ2,3.. . . [Full Text of this Article]