Analysis on the detection rate of Giardia lamblia in children of Sichuan province of China

Objective To investigate the detection rates of Giardia lamblia in children of Sichuan province and analyze the susceptible population and the cause of infection. Methods The routine fecal examination of a total of 11575 cases were done by normal wet smear microscopy, and the suspected cases were stained with iodine in outpatient children of West China Second University Hospital, Sichuan University from September 1st, 2020 to August 31th, 2021. Results In the stools of 11,515 outpatient children, 11 cases of cysts or trophozoites of G. lamblia were detected, among which 9 cases were from ethnic minority patients and 2 case were from Han patients. The G. lamblia detection rate of Han patients was 0.019%, while that of ethnic minority patients was 0.968%, between which there was a statistically significant difference (P<0.05). Conclusions The detection rate of G. lamblia in minority patients was higher than that in Han patients. To reduce the spread and epidemic of giardiasis, the epidemic prevention in minority areas should be strengthened and the good hygienic habits of children should be cultivated.