(1)What total number of COVID-19 vaccines have been administered since 1 January 2020;
(2) whether there has been any fatal adverse effects; if not, what is the position in this regard; if so, what were the common adverse effects;
(3) (a) how (i) accessible are the processes of reporting adverse effects and (ii) does his department ensure that the public knows how to report such adverse effects and (b) what total number of the reported cases were investigated?