virus 4dGlobally, outbreaks of hepatitis E caused by water source contamination have been reported, such as the HEV genotype 4d outbreak in a nursing home in Zhejiang Province,ENSIKLOPEDIA 4D JUNIOR: VIRUS-VIRUS BANDEL · Bisa COD. ENSIKLOPEDIA 4D JUNIOR: VIRUS-VIRUS BANDEL (VIRUS HUNT). . Jakarta UtaraGramedia