Pima County has recorded West Nile virus cases here since 2003 and 2006 has set a record for the number of cases, with one fatality so far out of 18 cases.
Officials have identified a "hot zone" where 15 of the cases have been reported: Grant Rd. on the north, 29th Sreet south, Kolb east and Country Club west.
Tony Paniagua reports.
Related link Pima County Health Department