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Giardiasis
Epidemiology
  • Giardiasis occurs worldwide with highest prevalences in areas with poor sanitation
  • Persons of all ages can be infected; in endemic areas the infection is more frequent in children
  • Person-to-person transmission occurs by hand-to-mouth transfer of cysts in the faeces of an infected individual (family members) or via contaminated water or food
  • There is still debate about the extent to which Giardia is a zoonotic infection (new molecular methods might give more precise insights)
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