Vaccine-preventable causes of diarrhoea severe morbidity and mortality Rotavirus is estimated to cause 28% of severe diarrhoea, resulting in 9.9 million severe episodes and more than 193,000 deaths Vibrio cholerae accounts for 1% of severe diarrhoea resulting in an estimated 456,000 severe episodes and 11,700 deaths Estimates are based on data collected over more than 20 years and thus do not account for yearly variation as a result of epidemics or recent widespread vaccination campaigns in selected countries * Number of episodes correlates to 2011 estimates; number of deaths correlates to 2010 estimates
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