The city of McKinney will spray Sept. 3 at 10 p.m., weather permitting, after the second West Nile Virus positive mosquito pool was confirmed Sept. 2. The spray area is generally south of Virginia Street, west of McDonald Street, north of Eldorado Parkway and east of US 75. Signs will be posted at major intersections to notify residents of spraying activity. Additional information and a map of the spray area are posted on the city's website. Residents within the area are advised to stay indoors, along with their pets, during the spray period. Those who do not want the city to spray near their home should contact the city's health compliance department at 972-547-7447 by 4 p.m. Sept. 3.