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Different types of Coronavirus vaccine currently produced

4 Main Types of Virus Vaccines developed for CoronaVirus

1. Viral Vector

This type of vaccine contains unrelated virus that delivers genetic code to make specific parts of disease causing virus

Example of vaccince in use: Covishield developed by Oxford Astrazenica, UK and Sputnik-V  is a vector vaccine based on adenovirus DNA, in which the SARS-CoV-2 coronavirus gene is integrated.

Advantages: The Viral vector vacination can trigger a strong immune response as it involved both B Cells andn T Cellss

2. Protein subunit

This type of vaccine contains specific parts of disease causing virus for immune system to recognise it. example include Corbevax vaccine from Biological E. Limited (BioE), the Baylor College of Medicine in Houston, United States, and Dynavax Technologies, Novavax

Advantages: The proteing subunit vaccination protects those with compromised or less immune systems

3. mRNA or RNA

This type of vaccine contains only genetic material with instructions for making specific parts of disease causing virus. Example Pfizer vaccine from Pfizer Inc. is an American multinational and Moderna from Moderna, Inc is an American pharmaceutical and biotechnology company based in Cambridge, Massachusetts.

Advantages: Its considered very safe as there is no live components hence there is not rise of any disease triggered by the vaccine

4. Whole Virus

This type of inactivated type of vaccine contains disease-causing virus, whether weakened or dead.  Example of Vacine in use: COVAXIN from Bharat BioTech, Hyderabad, India and vaccine Sinopharm and Sinovac from china – both use inactivated pathogens, therefore they cannot infect cells and replicate, but can trigger an immune response.

Advantages: This technology is a well established one and it helps people with compromised immune systems

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