vaccine

Sterilization by heat

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Sterilization means the freeing of an article from all living forms that includes viruses, bacteria and their spores, fungi and their spores, both pathogenic and non-pathogenic forms. There are four different methods of sterilization. They are a) Heat b) Filtration c) Irradiation d) Chemical disinfection. The most widely applicable and reliable method is sterilization by … Read more

Vaccine and its types

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Vaccine and its types

INTRODUCTION OF VACCINE Vaccine is a liquid chemical substance, which is used to stimulate an immune response in the body. It contains modified, inactivated or killed pathogens or their antigens. It is administered orally or injected in the body to stimulate the active immunity. Immunity is defined as the ability of a body to resist … Read more