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Countries like Canada have bought enough to vaccinate their population more than five times. New Delhi: India has made an advance purchase of the maximum quantity of Covid vaccine in the world with 1.6 billion doses, but it would only cover 59 percent of its population. A study by Duke …

India has become the largest buyer of confirmed vaccine doses with 1.6 billion as countries are securing vaccines to fight the coronavirus disease (Covid-19), which has already killed 1.5 million people across the world. world, a study by Duke University showed in the US India has so far registered more …