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Genotype Distribution of Hepatitis C Virus in São Paulo, Brazil:
Rare Subtype Found
table  1.   Prevalence of HCV Genotypes and Their Distribution in Various Populations of São Paulo, Brazil
Source N (%) HCV Genotype
1 (%) 1a (%) 1b (%) 2 (%) 3 (%) 4a (%) Mixed (%)
Blood donors 34  1 (2.9) 6 (17.6) 13 (38.2) 2 (5.9) 11 (32.4) 1 (2.9)
 (58.7)
Hemophiliacs 23  1 (4.3) 8 (34.8) 4 (17.4) 3 (13.0) 7 (30.4)
 (56.5)
Rt-pts 40  30 (75.0) 2 (5.0) 6 (15.0) 1 (2.5)* 1 (2.5)*
CH-C pts 251  13 (5.2) 51 (20.3) 92 (36.6) 8 (3.2) 85 (33.9) 2 (0.8)
 (62.1)
Total 348 (100) 45 (12.9) 65 (18.7) 109 (31.3) 15 (4.3) 109 (31.3) 1 (0.3) 4 (1.1)
 (63)
Abbreviations: Rt-pts, Renal-transplant patients; CH-C pts, chronic hepatitis C patients.
* Genotyping was performed by both LiPA (Line Probe Assay) and Serotyping assay.

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