The National Covid-19 Immunisation Plan will begin on Wednesday -- earlier than was initially scheduled -- with Prime Minister Muhyiddin Yassin and Health Director-General Dr Noor Hisham Abdullah to receive their first jabs in two days. Will it go according to plan? Melisa Idris and Sharaad Kuttan speak to Datuk Seri Dr Dzulkefly Ahmad, Former Health Minister & Head of the Selangor Task Force for Covid-19.