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.



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