A rare, late-summer opportunity to swim cost some bathers at the 26 Mile gravel pit, who developed severe cases of “swimmer’s itch” last weekend.
The skin irritation also known as “cercarial dermatitis,” is caused by the trematode parasite, which migrates from snails to migrating aquatic birds and sometimes mistakenly bites into humans.
Mario Benassi, 15, was covered with red bumps after four swims Saturday. “It was pretty bad. Everybody was jumping up and down we…

