Examlex
Explain how genes control the activity of a cell.
Secondary Immune Response
The response of the immune system upon its second or subsequent exposure to a specific antigen, typically faster and more vigorous than the primary response.
Primary Immune Response
The initial response of the immune system to a foreign antigen, characterized by the activation and proliferation of immune cells.
Initial Exposure
The first encounter or introduction to a stimulus, substance, or environment which may influence subsequent responses.
Vaccination
The administration of a vaccine to stimulate an individual's immune system to develop adaptive immunity to a pathogen.
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