STATSGURU: Here's how the world's coronavirus vaccine map looks like
Most vaccines are not yet available in plenty, and are costly, too
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The three leading Covid-19 vaccines are making their way towards the first line of beneficiaries. While the Pfizer and Moderna vaccines are being administered in tens of countries, the Oxford-AstraZeneca (Ox-As) jab was recently approved by India. All of them, to varying extent, have proven to be effective enough for usage. But the Ox-As vaccine fares the best in terms of commitment towards a more equitable distribution, chart 1 shows.