Dr. Kevin Brown is a consultant medical virologist working at Public Health England. His area of expertise is in vaccine-preventable viral infections and he has been a virologist for more than 30 years.
This is one of a series of explainer videos for the COVID-19 vaccination programme. The most important part of the SARS-CoV-2 virus is the spike protein. This video explains why the COVID-19 vaccines are so effective because they specifically target this protein.
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