AstraZeneca, Pfizer to Sputnik - Covid vaccines with wide global reachWhile the world is undergoing the biggest vaccination campaign to combat the spread of coronavirus. At a speed of roughly 39.4 million doses a day, over 3.19 billion doses have been administered across 180 countries so far, according to data collected by Bloomberg. From AstraZeneca, Pfizer to Covaxin, here we take a look at the Covid-19 vaccines having a wide reach to the maximum number of countries. Take a look...(Source: OWID)