I am sorry if this is too complex for the FBI, but they are the ones who keep saying that if there is no letter involved her infection cannot be explained.
You will notice I just treated her infection as a trivial problem - readily solved by anyone who knows anything about letter and flat trays and how the post office really works. Frankly I am positively amazed that not a single solitary FBI agent ever worked his way through college as a PTF - NOT ONE!
And there are medical supply firms/pharmaceutical companies in NJ that might have mailed a package to her hospital that got cross-contaminated.
NJ Top 5 companies by market capitalization, all are medical/health related
Alpharma Inc.: Pharmaceuticals, Becton Dickinson & Co. (I think they make medical supplies), Block Drug Co. Inc., Dialogic Corporation, Medical Manager Corp. Manufacturing, Medquist Inc. Health, Schein Pharmaceutical Pharmaceuticals, Telcordia Technologies, Inc., Vertex Pharmaceuticals Inc., Warner-Lambert -
At least, I think most of these are medically related.
BTW, what is a PTF?