For vaccines containing adjuvants, the degree of antigen adsorption has a greater impact on the potency of the product, so the efficacy of the finished product should be determined. <br>The effectiveness test should be able to confirm that the interaction between the components makes a certain component have a strengthening or weakening effect on other components. <br>The efficacy test can use animal immunogenicity test. The immune response of each antigen and the quality of the response should be studied. These studies should include the determination of antibody classification, affinity, affinity, antibody dynamic changes or function, such as The ability to neutralize target antigens or toxins. <br>It is best to use animal experiments to compare the immune response of the combined vaccine with a single antigen to determine whether an enhancement or suppression of the immune response has occurred. <br>Similarly, the phenomenon of immune interference between live vaccine strains should also be measured in animal immunogenicity studies. <br>For a new vaccine or combination vaccine that contains new antigens that have not been used in humans, as long as there is an animal model, the animal model should first be used to study its protection. <br>Protection tests should use virulent strains that are intended to prevent diseases. <br>The test results should be confirmed in accordance with statistical and scientifically verified test procedures, and should be described in detail. <br>This test should be carried out early in the development of the product.
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