Background: Intestinal parasitic infections are amongst the most common infections worldwide. Epidemiological research carried out in different countries has shown that the social and economical situation of the individuals is an important cause in the prevalence of intestinal parasites. Previous studies in Turkey revealed a high prevalence of intestinal parasitic infection. The objectives of the current study were to determine the prevalence of intestinal parasitic infections in Aydin among 7-14 years old school children and to identify associated socio-demographic and environmental factors, behavioral habits and also related complaints.

Background: The aims of the present study were to determine the prevalence of toxoplasmosis in pregnant women at first trimester of their pregnancy and to follow up the seroconversion for next two trimesters, and to identify the risk factors and possible contamination routes in Aydin province, Turkey.

We did not show any relationships between epilepsy and positive T. gondii and T. canis serology in our epileptic patients.

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An otherwise healthy 22-year-old man presented with Acanthamoeba keratitis (AK) in the right eye. He was not a contact lens wearer and had no history of corneal trauma. The Acanthamoeba strain isolated from a corneal scraping was identified as morphological group II and genotype T4. Three more Acanthamoeba strains isolated from sites of possible human contact with acanthamoebae in the same geographical region, including a lens storage case, tap water and soil, were subjected to morphological and molecular biological identification. Whereas the strain from tap water also exhibited genotype T4, the two other isolates were identified as morphological group I and genotype T9. To the best of our knowledge, this is the first study identifying an AK-causing Acanthamoeba strain in Turkey and the first isolation of genotype T9 in this country.

Iron deficiency anemia (IDA) is a frequent health problem. Gut parasites such as N. americanus and A. duodenale are known to cause blood loss, but the role of Blastocystis hominis is uncertain. In this study, 212 patients (193 female, 19 male, mean age 41 SD 15 yrs) with IDA were enrolled and 90 persons without IDA (78 female, 12 male, mean age 45 SD 17 yrs). Microscopic examination of stools for B. hominis using the native lugol method was done three times on each subject. If any specimen contained five or more cysts per x400 field, the person was considered positive. B. hominis was found in 48 out of 212 subjects with IDA (22.6%) and in five of 90 (5.6%) subjects without IDA. This difference is highly statistically significant (P < 0.001). Few subjects had other gut parasites and there was no statistical difference in the ir frequencies between IDA and non-IDA subjects. Blastocystis hominis may play a role in the development of IDA either on its own or in conjunction with some other agent.