Q. Consider the following statements about Hepatitis D:
1.Hepatitis D infection cannot occur in the absence of hepatitis B virus (HBV).
2.It is declared as carcinogenic to humans by the WHO.
3.It can be transmitted through sexual intercourse.
How many of the above statements are correct?
Answer: C
Notes:
Explanation: All are correct
Statement 1 is correct: Hepatitis D is an inflammation of the liver caused by the hepatitis D virus (HDV), which requires hepatitis B virus (HBV) for its replication. Hepatitis D infection cannot occur in the absence of HBV. So, Chronic HDV occurs only in people living with HBV.
Statement 2 is correct: HDV has recently been classified as carcinogenic to humans by the International Agency for Research on Cancer (IARC) mongraph programme, just like hepatitis B and C.
Statement 3 is correct: It may also be transmitted through sexual intercourse, or rarely from a mother to her child before or around birth (vertical transmission).
Source: BS
