I have heard about it and even hunted a few units that claim to have tested positive, iirc, they will test them statewide if you submit it to a biologist, I also think some units require testing, but not sure on that. I know it has spread in the last 35 years, or at least has been found.
Here is a interesting article:http://www.foodsafetynews.com/2015/06/re...e/#.V8b4BDVS3E8
“Never be afraid to try something new, or diy. Remember, amateurs built the Ark, professionals built the Titanic”
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