Which of the following statements regarding vaccination and immunisation are correct? I . The principle of vaccination is based on the 'memory' of the immune system. I I . The antibodies produced in the body against antigens neutralise the pathogenic agents before the actual infection. I I I . Hepatitis B vaccine is prepared by using a virus in recombinant DNA technology. I V . Antibodies are given directly in case of infection with deadly microbes to elicit quick immune response.

Question

Which of the following statements regarding vaccination and immunisation are correct? I . The principle of vaccination is based on the 'memory' of the immune system. I I . The antibodies produced in the body against antigens neutralise the pathogenic agents before the actual infection. I I I . Hepatitis B vaccine is prepared by using a virus in recombinant DNA technology. I V . Antibodies are given directly in case of infection with deadly microbes to elicit quick immune response., I and III, II, III and IV, I, II and III, I and IV

MARKS App · Accepted Answer

I I . The antibodies produced in the body against antigens neutralise the pathogenic agents during the initial infection itself and prevent further infection. I I I . Hepatitis B vaccine is prepared by using yeast in recombinant DNA technology.

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