Spaniards do not have a term to define the diarrhoea and vomiting, occurring either singly or in combination, which affects British tourists to Spain. Enfermedad espanola, a generic term, explains nothing, no more than the term “Spanish ‘tummy’” and from the number of reports by returning visitors of sickness, ranging from one‐day vomiting or diarrhoea to a week or more of severe symptoms, often leading to prostration and collapse, varied pathology is indicated; a combination of causes, although how much is due to intestinal pathogens and how much to plain dietary disturbance is not known. What is certain, however, is that the incidence rate is very high; during the height of the summer anything from 80 to 100%.
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