Transcript for Pesticides Sprayed Over Dallas to Combat Mosquitoes
The picture of that dog being carried down in indelible. The target of the overnight air raids, bugs. The west nile vooirs has killed ten people so far. Abc meteorologist ginger zee is on the story. Reporter: A perfect breeding ground for the west nile virus in texas. The weather is affecting the battle against the disease, too. For the second night in a row, weather grounded the planes. Two more planes added to the fleet tasked with spraying more than 100,000 acres of land in dallas county. The target? Mosquitos. Responsible for the woes ever outbreak in the nation of west nile virus. The outbreak has already left ten dead. And more than 200 ill. It's killing people. That's enough. You don't need to foe anymore. Reporter: This is the first time in almost a half century that dallas county has taken to the air to spray pesticides. We went ahead and covered their part of in the yard, too, as well as the area that my daughter place in just to be extra safe. Reporter: Others are more concerned about the mosquitos than the chemicals used to kill them. I don't want anybody to get this. If they have to spray from the air, do it. Reporter: Officials are hoping the mos kequitos get the message, don't mess with texas. So far, almost 70 reported cases of the west nile virus across 43 states. That's the highest number of cases reported since records kept.
This transcript has been automatically generated and may not be 100% accurate.