Ummm, I eat them all the time, always have- I love onions...If they are bad though, I have been known to get my dh to toss them because of the B.cepacia scariness. I do usually cook mine, unless I am putting them on a sandwich or salad. Do you have a link to the study?
Was it this one?
<a target=_blank class=ftalternatingbarlinklarge href="http://www.ncbi.nlm.nih.gov/pubmed/18344334?dopt=Abstract">onion study</a>
Pic of onion with B.cepacia rot:
<img src="http://www.apsnet.org/education/feature/BurkholderiaCepacia/images/onion_compend.jpg">