Human Health and Diseases Question 32
32. For which of the following disease, there is preventive vaccine?
(a) AIDS
(b) Hepatitis B
(c) Syphilis
(d) Gonorrhea
Show Answer
Answer : b
Hints & Solutions
(b) Hepatitis is a viral disease; two subgroups are hepatitis type A virus (HAV) and hepatitis type B virus (HBV). HBV causes serum hepatitis, it is most frequently transmitted by blood, products of blood or blood contaminated instruments. Since only adults are susceptible to $HBV$, but vaccines are available. While children and young adults are susceptible to $HAV$, no vaccines are acceptable.