The making of Rotavac

About 30 years ago, an American and an Indian, both scientists, weary after a day-long conference on diarrhoeal diseases, slipped out from the Kolkata convent they had been billeted in for a drink. Roger Glass and M.K. Bhan got back with a glimmer of a road map for an affordable vaccine made in the country that could cut in half the 100,000-odd infant, diarrhoeal deaths in India. The work would stretch out over the rest of their careers and involve at least 10 research institutions across the world.

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