Mosquitoes and Your Safety
West Nile and Viral Encephalitis
West Nile virus is transmitted by the bite of an infected mosquito. Most infected people have either no symptoms or only mild ones, such as fever, headache, mild skin rash, or swollen lymph glands. A serious infection, though, could lead to viral encephalitis, a swelling of the brain, which can be fatal.
Did You Know?
... that the Middle Delaware River exceeds ordinary federal standards for clean water. Because of this, special higher standards have been set for the river, so it does not "deteriorate" to being just "clean enough." The river in this park is, and will remain, truly "cleaner than clean." More...