If a vaccine is found and the COVAX mechanism works as it is intended to, what will be the other processes that will have to be developed and decisions that will have to be made - especially with regard to the priority segments of populations receiving the first tranche of vaccines. Melisa Idris and Sharaad Kuttan speak to Dr Khor Swee Kheng, Founder, Malaysian Health Coalition and Sangeeta Shashikant, Legal Advisor, Third World Network.