According to the research, the correct option is Active Immunity. It would be the type of immunity that a 4-year-old child develops during the course of an infection with varicella.
It is a nonspecific immunity developed from birth that provides defense (immunity) against invading pathogens ranging from viruses to parasites.
It has a major role in the induction of the acquired immune response where innate immune recognition is genetically governed and the specificity of each R is genetically predetermined, being able to recognize a few hundred Ag (pathogen-associated molecular patterns: LPS, peptidoglycan, DNA etc
Therefore, we can conclude that According to the research, the correct option is Active Immunity. It would be the type of immunity that a 4-year-old child develops during the course of an infection with varicella.
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