Toindicate: The stage, in the given figure, where vaccination would be more effective and where natural infection would play a role. Concept introduction: The primary response is generated when the body first exposed to an antigen. It is characterized by the IgM and IgE. The secondary response or memory response is generated, when the body subsequently exposed to the same antigen antibodies appears in a very high amount. The antibodies generated are primarily IgG and memory B cells. Vaccine was first discovered by the Edward Jenner. Vaccine is a biological preparation thathelps in the formation of active acquired immunity, to a particular disease. A vaccine accounts for disease-causing microbes. It is prepared by an antigenic substance or by the attenuated causative agents.

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Chapter 15, Problem 1VC

Summary Introduction

Toindicate:

The stage, in the given figure, where vaccination would be more effective and where natural infection would play a role.

Concept introduction:

The primary response is generated when the body first exposed to an antigen. It is characterized by the IgM and IgE. The secondary response or memory response is generated, when the body subsequently exposed to the same antigen antibodies appears in a very high amount. The antibodies generated are primarily IgG and memory B cells.

Vaccine was first discovered by the Edward Jenner. Vaccine is a biological preparation thathelps in the formation of active acquired immunity, to a particular disease. A vaccine accounts for disease-causing microbes. It is prepared by an antigenic substance or by the attenuated causative agents.

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