CNN reports that there is no evidence that Ebola has ever been spread by insects. It infects onlu mammals, apparently mostly primates, and perhaps bats.
Latest Texas Gov, Rick Perry says that some school students had incidental contact with the patient and are being monitored at home. (1 PM, CNN).
Update: Oct. 2: There is a furor over the way the quarantine of four family members is being handled, but the details are changing quickly.
First picture; Park in downtown Dallas, Nov. 2011 (my visit); second, CDC in Atlanta, wikipedia link here.