Q. The hepatitis-B vaccine has been produced on a large scale through

 1743  232 NTA AbhyasNTA Abhyas 2020Human Health and Disease Report Error

Solution:

Recombinant DNA technology has allowed the production of antigenic polypeptides of pathogens in bacteria or yeast. Vaccines produced using this approach allow large scale production and hence greater availability for immunization, e.g., hepatitis B vaccine (Recombivax HB) produced from yeast.