The hematological status, plasma vitamin B12 and folic acid levels, and intestinal pathology in rats infected with Giardia lamblia.

The purpose of our study was to investigate the hematological status, vitamin B12 and folic acid absorption and intestinal pathology after Giardia lamblia infection in a rat model. Adult Wistar rats were assigned randomly to receive human giardia cysts orally in the amount of 5 x 10(5) or 1.0 x 10(6) cysts, or none in the controls.

Diagnosis of intestinal amebiasis using salivary IgA antibody detection.

Attempts were made to use soluble antigen extract of strain HK-9 of Entamoeba histolytica to detect salivary IgA antibodies in intestinal amebiasis patients by using ELISA. Total salivary samples of 109 individuals were divided into four groups. Group I comprised 32 patients whose stools were positive only for E.

Intestinal parasitoses among the workers and their families at three electricity generating dams in Thailand.

During September 17, 1980 - May 29, 1981 a total of 986 single stool specimens were collected from workers and their families at three electricity generating dams under the administration of the Electricity Generating Authority of Thailand (EGAT). Parasitological surveys were carried out at the dam sites, namely the Khoa Laem Project, the Srinakarin Dam and the Ubolratana Dam. The overall prevalence at all three sites are moderately high (62.