Dr. Mary Ramsay is the head of Immunisation and Countermeasures Department and the National Immunisation Programme.
This is No 11 of a set of 52 explainer videos about the COVID-19 vaccination programme. This video explains the importance of having two doses of the vaccine to give the best protection.
This video was produced before data for both vaccines currently offered (at time of publication - other vaccines are expected) showing that good protection is offered by the first dose, but the second dose offers longer-lasting protection.
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