PITTSFIELD -- Weather permitting, adult mosquito spray will be dispersed through the weekend in north and south portions of Pittsfield.
The spray will be spread within one and two miles of where West Nile virus (WNV) or Eastern equine encephalitis (EEE), respectively, where mosquitos tested positive for the viruses.
Beginning today, portions south of East Street and east of South Street will be sprayed in southwest Pittsfield. A two-mile radius spray from Elm Street at Williams Street will take place where mosquitos tested positive for EEE.
On Friday, areas south of West Street and west of South Street were sprayed, in addition to a two-mile radius spray from West Housatonic at Callahan Drive.
"The two EEE isolations were in southeast Pittsfield and southwest Pittsfield," said Chris Horton, the superintendent for the Berkshire County Mosquito Project. "The rest are West Nile."
Portions of north Pittsfield will be sprayed over the weekend. On Saturday, a one-mile radius of spray will be dispersed north of East Street and east of North Street, and near Colstville Corners, in northeast Pittsfield.
On Sunday, areas north of West Street and west of North Street, and from West Street at Forthill Avenue will be sprayed in northwest Pittsfield.
The spray will take place each day between 10 p.m. and 7 a.m.
The city of Pittsfield was has remained "high" risk of WNV since last weekend when a case of WNV virus was found in a woman in her 70s. She was hospitalized as of Saturday, but to be soon released, according to the Massachusetts Department of Health.