cercarial dermatitis or swimmers’ itch is an itchy inflammatory response to the penetration of the skin by non-human schistosome parasites. in the hot season, may to september, in khuzestan province in the south west of iran, swimming in canals and agriculture activities in swampy areas are common. this survey was made on people from villages north of ahwaz city in south west iran, to estimate ...

a watching system in a graph $g=(v, e)$ is a set $w={omega_{1}, omega_{2}, cdots, omega_{k}}$, where $omega_{i}=(v_{i}, z_{i}), v_{i}in v$ and $z_{i}$ is a subset of closed neighborhood of $v_{i}$ such that the sets $l_{w}(v)={omega_{i}: vin omega_{i}}$ are non-empty and distinct, for any $vin v$. in this paper, we study the watching systems of line graph $k_{n}$ which is called triangular grap...

khuzestan province in the south west of iran having several seasonal and permanent lagoons which are shelter for domestic and migratory birds including, fish-eating birds. this research study was carried out to find the intestinal helminth parasites of birds in this ecosystem and evaluation of their medically importance with emphasis on heterophyid trematodes. for these reasons, the total of 37...

background: to determine the morphological specifications of the bird schistosomes cercaria from lymnaea gedrosiana and to detect the surface carbohydrates as receptors for host lectins in the host-parasite relationship systems such as avian schistosomiasis and human cercarial dermatitis. methods: one hundred ninety two snails collected from dezful areas in khuzestan province, in the south west...