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All Types of COVID-19 Vaccines, How They Work, Animation. [Video]

How it works. mRNA vaccine (Pfizer, Moderna), DNA & Viral vector vaccines (Johnson & Johnson (J&J, JNJ), Oxford-AstraZeneca, Inovio, Sputnik V); protein/peptide vaccine (Novavax, EpiVacCorona), conventional inactivated (CoronaVac of Sinovac, Covaxin). Mechanism of each type of coronavirus vaccines explained. Vaccine-induced immune response as compared to natural immunity. This video is available for instant download licensing here: ©Alila Medical Media. All rights reserved. Support us on Patreon and get early access to videos and free image downloads: During a natural viral infection, infected cells alert the immune system by displaying pieces of viral proteins on their surface. They are said to present the viral antigen to immune cells – cytotoxic T-cells, and activate them. Debris of dead cells and viral particles are picked up by professional antigen-presenting cells, (dendritic cells…). Dendritic cells patrol body tissues, sampling their environment for intruders. After capturing the antigen, dendritic cells leave the tissue …
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