“…Human HEV infection, investigated using seroprevalence studies, was found to be more prevalent in older ages [7][8][9][10][11][12][13][14][15][16][17][18][19][20], lower socio-economic status [21], poorer residence areas [9,[14][15], among sheltered homeless adults [22] or uneducated people [14], specific nationalities (for example, higher in mixed race donors and ethnic groups within China [12,15], or in immigrants from Afghanistan [14]), drinking water from wells or rivers [15], consumption of meat products [7,15,17,23] especially pork [24,25] and following blood transfusions [1].…”