There is a vaccine for hepatitis A but the majority of children in many parts of India is already immune to hepatitis A by the time they are five years old. Justify the statement
in the sight of immunization.
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The virus of Hepatitis A spreads through contaminated water and there are many children below the age of 5 who get infected to this disease through the polluted water. The infection of this disease is mild during early stages of life, that is, childhood and they develop antibodies for this disease, as a result majority of children in many parts of India are already immune to Hepatitis A. This is an example of active immunity
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