I don't worry about the flies so much. Just annoying and tickle when they land on you.
It's the Mozzies I hate, if they are around I will get bitten as I have now and I itch for days. Drives me nuts.
Well they have a habit of hanging around dead and decaying things, so I suppose they pick up germs and diseases, and then land on your plate - leaving the germs etc. behind - but I can't say I have heard of any deaths directly attributed to flies - hmmmmmmm ponderous!!!!
I wonder how many people have actually swallowed a fly? By accident of course.
I have and found the only way to deal with it is to drink a full glass of water. No use trying to get it back up.
Swallowed loads of the things - my wife and I rogaine (bushwalking looking for 'control' points using just a compass and map). When you're pushing up a hill in sheep country it's hard NOT to swallow at least a few while you are panting away :)
its the mozzie bites that do it for me - I have the sweetest mozzie blood in the Universe, despite UV lights outside the van and repellant spray. Then I itch and scratch for days. Best anti itch is an anti-histamine tablet like Clarintyne (or any other cheap chemist brand) and a cream called Dermind Soft which had 1% cortinsone in it - but it on about an hour before bed and you wont be scratching all night. Apply thinly and get the soft cream so it spread easily (comes as a cream and an ointment). Cheap as if you can get to Chemist Warehouse (about $4 a 30g tube) but about $15 elsewhere
__________________
Cheers Bruce
The amazing things you see when nomading Australia