Hepatitis E Virus Genotype 4, Nanjing, China, 2001–2011

Abstract

During 2001–2011, hepatitis E virus (HEV) was found in the blood of patients in Nanjing, China. All HEV-positive patients had virus genotype 4; subgenotype 4a was predominant. The effective population of HEV in Nanjing increased in ≈1980 and continued until ≈2003 when it plateaued.

Keywords

• hepatitis E virus
• viruses
• hepatitis E
• acute infection
• evolution
• genotype 4