Mosquitos in Delaware County test positive for West Nile Virus NBC10 Philadelphia [Video]

Delaware County health officials are ramping up efforts to stop the spread of West Nile virus.

The Health Department said this month alone they discovered and treated four pools of standing water containing mosquitos infected with the virus.

The first discovery was made in Concord Township, followed by positive test results in Yeadon, Haverford Township and Brookhaven.

West Nile virus is a mosquito-borne sickness that may cause encephalitis, a brain infection. Officials said cases occur primary in the summer to late fall.

Those who are infected by the virus can experience symptoms such as severe headache, high fever, neck stiffness, stupor, disorientation, coma, tremors, convulsions, muscle weakness and paralysis.

However, officials said most people infected with West Nile virus do not develop any symptoms.

Delaware County health officials said finding infected mosquitos is something that is expected every summer and no human cases have been reported.

“Preventing the spread of …