The first vaccine was developed by Edward Jenner and therefore he is called Father of Vaccinology
Louis Pasteur explained the principle of vaccination
Vaccine should be cheap, safe, activate humoral and cell mediated immune response, and should provide long lasting protection.
The live type of vaccine contains weakened form of pathogenic organisms which has lost its pathogenecity
image-123RF
In dead type of vaccine, it carries killed form of pathogenic organisms
Toxoid vaccine corries inactive form of bacterial toxins
Subunit or conjugate type of vaccine contains partial parts of pathogenic bacteria
Adjuvants are the chemical ingredients of vaccines that increase its efficiency
Adjuvants enhances the immunopathogenecity of weak antigens
image - CDC.gov
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