There is a "slight risk" just with kissing someone, or even having skin-to-skin contact, but most folks say that this is acceptable. And that's the key - there's no such thing as "safe" it's all about acceptable risks for the benefits you get...
Please check out The Birdcage - an open, friendly Polyamory forum for all parts of New York State
"Listen, or your tongue will make you deaf." - Native American Proverb