I don't ever think I've been bitten by a hornet, wasp or bee. I've been stung many a time tho!
Last year I was doning some injection work and it felt like someone whacked me in the back of my right thigh with a baseball bat. The swelling took 5 days to go away. When I went back to that area, my head was on a swivel, looking in all the trees. I saw a Bald Faced Hornets nest not 15' above my head where I was whacking the trunk of the tree getting ready to apply the poison. I've sprayed 4 Bald Faced Hornet nests and 2 Yellow Jacket nests this year already.