Myth Busting

Why don’t oral vaccines work well in India?

The problem plagued the polio vaccine in the 20th century, affects the rotavirus vaccine today and may hurt the oral vaccines of tomorrow. Scientists are now testing an entire arsenal of methods to fix it

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On a cold, misty February morning in 2013, three medical researchers got into a car in New Delhi to travel to a highly anticipated meeting. Gagandeep Kang, a microbiologist from Christian Medical College of Vellore, Maharaj Kishan Bhan, then secretary to the Department of Biotechnology, and Nita Bhandari, public-health researcher at Delhi’s Center for Health Research and Development had been part of a two-year study to gauge the efficacy of India’s first indigenous vaccine against rotavirus diarrhoea, which kills between 80,000 to 100,000 children every year. The study results, which…

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