i am much complimented and am willing to be of use wherever welcome so please rattle my cage appropriately but i protest that i am no medical man decidedly no epidemiologist and no virologist also that i am a long way from the action just like the texans ummm well putting it that way i'll go and browse a bit but in a bunfight in this scale i suspect it would be best if you directed me to points of major concern cheers jon