Prevalence and clinical aspects of human Trichostrongylus colubriformis infection in Lao PDR

► Prevalence, symptoms and laboratory data of human trichostrongyliasis are studied. ► Increasing information of trichostrongyliasis for clinicians in endemic area. ► Fresh vegetables consumption, contact with cattle and poor hygiene are risky factors. ► Loose feces, rash or abdominal pain are important complaints of clinical symptoms. ► High eosinophil counts in laboratory data suggest infection.