Table 5.
Types of Vaccines.
| Vaccine Type | Definition | Examples | Refs | |
|---|---|---|---|---|
| Inactivated vaccines | Produced by killing the micro-organisms | Anthrax, Cholera, typhoid, hepatitis A, hepatitis E, influenza virus A and B vaccine, Rabies. | [203] | |
| Toxoid vaccines | Vaccines contain toxins and chemicals | Whooping cough vaccine (pertussis), Diphtheria, tetanus | [204] | |
| Subunit vaccines | Fragment of the pathogen introduced rather than the whole pathogen into an immune system | meningococcal, and pneumococcal vaccines | ||
| DNA vaccines | Produced by introducing DNA of organism into host body. | [203] | ||
| Recombinant vector vaccines | A weakened bacterium or virus (vector) is used to inject microbial DNA in the body. | Adenovirus and vaccine | [203] | |
| Conjugated vaccines | Vaccine in which a weak antigen and a strong antigen combine as a carrier and the immune system has a strong response towards weak antigen. | Hib-conjugate vaccines | ||
| Live attenuated vaccines |
Produced by weaken or attenuating the micro-organism. | Bacterial vaccines (Bacillus Calmette Guerin Vaccine BCG) Viral vaccines Measles, mumps, polio vaccines) | [203] | |