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An explanation for the occurrence ofCapillaria hepaticaova in human faeces suggested by the finding of three new hosts used as food

Transactions of the Royal Society of Tropical Medicine and Hygiene
Oxford University Press
Publication Date
DOI: 10.1016/s0035-9203(39)90027-1


Abstract In the above paragraphs, a discussion has been presented of the occurrence of Capillaria hepatica ova in human faeces, and evidence was presented to account for this anomaly. It was concluded that the ova are ingested as a result of the eating of infected liver, probably cooked, of animals which are commonly used as food. The principal reason for this conclusion was the finding of three new hosts for C. hepatica ( Tayassu pecari spiradens, Ateles geoffroyi, and Cebus capucinus imitator) which are used as food by the natives in the villages of Panama where this “infection” has occurred. While the finding of eggs of C. hepatica in the faeces of man was explained as probably never indicative of infection, other considerations were presented to show that actual hepatic infection in man, in which circumstance eggs would not appear in the faeces, may be more common than hitherto supposed.

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