Cyclospora spp. in herbs and water samples collected from markets and farms in Hanoi, Vietnam.

Objective: To determine the prevalence of Cyclospora spp. oocysts in herb and water samples as well as in fecal specimens of clinical cases of diarrhoea in Hanoi, Vietnam.

Method: From November 2004 to October 2005, water and herb samples collected from markets and farms in Hanoi were examined for the presence of Cyclospora spp.