Ah yes... tasty treats!
Mine do the same thing. I don't kiss their mouths.

Usually the top of their head or their ears. And my one dog, always puts her booty towards us. She is very uncomfortable face to face... but only sit next too and always turns her big duke-a- munga and makes it get in contact with the person she loves and is sitting next to... So I do like to kiss the top of her booty.

Also on occasion they find something special they like to roll in... so I don't get to close to the shoulder/neck area.

But the top of her booty hardly ever touches the ground. And I don't let them lick me cuz it's gross.
But still some people have cats that use litter boxes then walk all over their couches and counters. In all the years I have raised chickens... there has never been a salmonella recall on my eggs, yet! And that is in fact the reason I started raising chickens about 9 years ago. We use them raw in mayo and I don't "wash" them, not even before use. (I will admit, my son a gf were appalled when they heard I didn't wash but then shocked that my unwashed eggs were cleaner than washed they usually got) Come on, is rinsing water over gonna change anything for real?
Is salmonella a possibility... YES... EVEN if you don't kiss the birds.
My take... things happen but too many fear mongers... spreading GOOD advice! If I worried about every poisonous plant on my pasture I would never have chickens. Do your best, what makes sense to you. If you come down with Salmonella... you probably won't do it anymore.
But to the person claiming we can get other diseases from our chickens... SHOW me the science, please.
Farm kids grow up eating dirt just like others who might have served their siblings a mud pie a time or two.

Absolute exclusion of exposure is a BAD thing. That's how the immune system builds resistance to things, exposure. E coli is everywhere in our environment... If your immune system is working well... NO problem. If you are compromised... EVERY thing is a problem in my opinion. Please note I have dogs, rats, raccoon and many other wild animals. My lettuce also has never poisoned anyone yet.... Oh but wait even my dead raw chickens will last at least two WHOLE weeks after processing in the fridge without getting slimy or stinky like grocery store birds. And ALL we do is rinse and refrigerate them after processing. Something to be said about keeping it small.
I do agree that extra risk might not be worth it, in many instances. But like SOOO many other things on BYC and in life... what works for some may not work for others and that's OK.
Thanks for giving us the chance to share our thoughts and to reconsider our own choices.