Updated Jan 01, 2021 | 11:30 IST The latest development is another step in the WHO's charge to ensure safe and equitable access to diagnostic and treatment resources to all countries regardless of their socio-economic profiles. The Pfizer-BioNTech vaccine being administered to a 67-year old man at Jackson Memorial Hospital in Miami, Florida. | Photo Credit: AP Key Highlights Although vaccine developers are working tirelessly to ramp up manufacturing and distribution of vaccines, there is a consensus that the early months of the global immunisation rollout will see demand far outstrip supply COVAX has since announced that it has supply agreements in place with several vaccine manufacturers to provide almost 2 billion doses that it expects to deliver within the year