EN
The author made an attempt to find out by the use of statistical methods the interdependence between the infection with: lamblia and Enterobius vermicularis, lambia and Trichuris trichiura, lamblia and Ascaris and lamblia and Entamoeba coli. In the calculations were taken into consideration the difference index t, test χ2 and Pearson's coeffident v (sec table). The results obtaincd point that there are antagonistic interrelationships between lamblia and the remaining parasites.