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How is a Covid-19 vaccination developed?

    Home Health and Environment COVID-19 How is a Covid-19 vaccination developed?
    NextPrevious

    How is a Covid-19 vaccination developed?

    By Nyaaya | COVID-19, Health and Environment | 0 comment | 23 February, 2021 | 0

    The Covid-19 vaccine is developed in the following manner1: 

    Phases of vaccine development or trial Purpose 
    Pre-clinical phaseIn this stage, the vaccine is developed in the laboratory. 
    Phase 1 Clinical trial (8-10 participants)Phase 1 is essential for testing the safety of the vaccine.
    Phase 2 Clinical trial (50-100 participants)Phase 2 is essential for testing vaccine immunogenicity i.e. production of antibodies against viruses.
    Phase 3 Clinical trial (30,000-50,000 participants)Phase 3 is essential for testing actual protection offered by the vaccine, i.e, based on a larger survey group.

    Once the vaccine clears phase 3 of the trial, it is eligible to get licensed and becomes available to the public on the basis of government guidelines.

    0
    1. COVID-19 Vaccines Operational Guidelines, Ministry of Health and Family Welfare, accessed at https://main.mohfw.gov.in/newshighlights-31 (Page 18).[↩]
    explainer, Government, Health, Patients

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