Hepatovirus (hepatitis A), orthohepadnavirus (hepatitis B), hepacivirus (hepatitis C), deltavirus (hepatitis D) and hepevirus (hepatitis E).
Hepatitis A, B, C and E are endemic in Singapore.
A total of 253 cases of serologically confirmed acute viral hepatitis were reported in 2009. Of these, 111 (44%) were imported. There were 89 cases of hepatitis A (35%), 69 cases of hepatitis B (27%), 5 cases of hepatitis C (2%) and 90 cases of hepatitis E (36%). No deaths were reported.