D2I2.
infection⚑ High burden in India

Stomach flu (rotavirus)

Rotaviruses are the most common cause of diarrhoeal disease among infants and young children. Nearly every child in the world is infected with a rotavirus at least once by the age of five. Immunity develops with each , so subsequent are less severe. Adults are rarely affected.

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Plain-language summary adapted from Wikipedia. Not medical advice.