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Comparative Study
. 1990 Aug 16;170(3):1021-5.
doi: 10.1016/0006-291x(90)90494-8.

There are two major types of hepatitis C virus in Japan

N Enomoto  1 , A Takada, T Nakao, T Date
Affiliations
Comparative Study

There are two major types of hepatitis C virus in Japan

N Enomoto et al. Biochem Biophys Res Commun. .

Abstract

The polymerase chain reaction (PCR) was used to detect hepatitis C virus (HCV) in plasma from chronic non-A, non-B hepatitis patients. By choice of adequate primers, 19 of 24 samples (79%) were found positive. Sequence analysis of amplified 400 bp cDNA fragments encoding a portion of NS5 gene suggested that HCV can be classified into two types (named K1 and K2) in Japan. Slot blot hybridization of the fragments indicated that 13 were HCV-K1 and 6 were HCV-K2, which show 80% and 67% nucleotide sequence homology, respectively, with that of the prototype.

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