A form of bacteria responsible for respiratory illness, including the deadly pneumonia known as Legionnaire's disease, may be able to grow in windshield washer fluid and was isolated from nearly 75 percent of school buses tested in one district in Arizona, according to new research.<img src="http://feeds.feedburner.com/~r/sciencedaily/~4/pPZmtcQ2g_o" height="1" width="1"/>
