What causes hepatitis A in travellers to endemic countries? Travel is necessary but not sufficient--a risk factor, not a cause.
Laboratory Medicine and Pathobiology and Dalla Lana School of Public Health, University of Toronto, Ontario, Canada Public Health Ontario/Santé publique Ontario, Toronto, ON, Canada. natasha.crowcroft@oahpp.ca
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D004196:Disease Outbreaks; D005190:Family; D005192:Family Health; D005260:Female; D006506:Hepatitis A / Q000453:epidemiology*; D006801:Humans; D008297:Male; D014195:Travel