along with the fact that the number of cases being reported is also going up, 400 last week alone. we told you about spraying that is taking place in texas from the air and also on the. ground. there is no way to see how effective that is. texas has seen half of the cases in the country. why is it so bad? a mild winter followed by a mild spring followed by a super hot summer. it leads to more mosquito breeding which leads to people getting stung by them. wear insect repellent, long sleeves and pants especially between dawn and dusting. don t have any standing water on your property like buckets or kid depools. the typical west nile season lasts through september but this is anything but typical. we ll keep following it for you. arthel: thank you, my friend. jon: happening now, paul ryan the congressman shaking up the race for the white house in the 12 days since governor mitt
highway. reporter: with more hot weather to come, firefighters in washington are gaining ground but worried, too. neal karlinsky, abc news, seattle. two small planes took to the skies over dallas overnight spraying insecticide against an epidemic of west nile virus. they re targeting mosquitoes carrying the virus. it already killed 10 people in the area. at least 230 infected people have gotten sick so far this year. the early spring and hot summer helped those mosquitoes thrive. now this is the first aerial spraying in dlas ogh 1966. 45 years. interesting tidbit. they re saying one of the real problems with mosquitoes, breeding and nesting grounds that are coming from abandoned swimming pools in foreclosed homes. of s wat cf1 and not just in texas, a real problem with mosquito breeding. 49,000 acres, spraying, a lot of folks worried about those