swine flu and all airborne diseases can be extinquished and killed by pastuerizing the air in aircraft; hospitals etc; example take a long lightwieght flexilbe metal pipe say 40-50 metres note the longer the more killing power developes and is then connected to a small box with a quartz heating element operating at oprox 200 degrees C a simple fan pushes air passed heating element thus heating the air and killing the virus thus passengers are then safe and well; andrewlangham@yahoo.co.uk