The World Bank's vaccine financing package can be used by countries to buy vaccine doses through COVAX, the new African Vaccine Acquisition Task Team (AVATT) or other sources.
The vast nation of 1.3 billion people was hit by a massive spike in coronavirus cases in April and May that pushed the healthcare system to breaking point.
Oxford/AstraZeneca is the most widely given vaccine, administered in 170 of the 215 countries where campaigns have begun.
It is followed by Pfizer/BioNTech, which is being used in at least 97 countries; Moderna (at least 46); Sinopharm (45); Sputnik V (40); Johnson & Johnson (29).
On currency markets, the pound hit a more than three-year high as Britain's vaccine rollout continues and the country announced just one coronavirus-related death Monday, the lowest since the pandemic began.
