Why is it not necessary to give hepatitis A va-ine to kids in india-

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Standard IX

Biology

Hepatitis

Why is it not...

Question

Why is it not necessary to give hepatitis A vaçine to kids in india?

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Solution

The children are immune to the virus by the time they are 5 years old because they are exposed to the virus through water. Therefore the body's immune system becomes equiped to combact the disease.
Also, Mass HAV vaccination may be unnecessary in India because the seroprevalence of protective antibodies against HAV in schoolchildren aged over 10 years remains above 95% and there has been no apparent increase in HAV-induced acute viral hepatitis in adults.

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