What you need to know about vaccines (Part II)

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 In our previous blog, we discussed the different types of vaccines and their technology in brief.

Here, we'll be elaborating on the different types of vaccine technologies.

1. Viral Vector Vaccines:

A harmless, modified form of the virus known as "the vector" is used to transmit genetic code for the antigen in this sort of vaccination. The spike proteins present on the surface of the coronavirus serve as the "vector" in a COVID-19 vaccine. When the body's cells are "infected," they are instructed to generate many antigens, triggering an immunological response.

Vaccines that use this technology are Astra-Zeneca and Sputnik V.

Source: immunology.org

2. Inactivated Virus Vaccines:

These types of vaccines contain a killed version of the SARS-CoV-2 virus. The human body recognizes the killed virus, which then triggers a response without causing an illness.
This builds memory about the response and makes the body fight the virus in future.

Vaccines that use this technology are Sinopharm, Sinovac and Covaxin.
Source: immunology.org

3. Genetic Vaccines:

A segment of the SARS-CoV-2 virus' genetic material is contained here. It can be DNA or RNA in nature. The generic material is used by the cells to make the SARS-CoV-2 protein. This is recognized by the immune system to trigger a response. This builds memory about the reaction and makes the body fight the virus in future.

Vaccines that use this technology are Pfizer and Moderna.

Source: immunology.org

~DD

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