<p>Hm.</p>
<p>
I’m trying to figure out what this means. Does this mean that the CDC suspects most of them actually got it from nonoccupational sources–that it was a coincidence that they got needlestuck (or whatever) at work?</p>
<p>Or does this mean that they were, say, immunocompromised or something, making them more susceptible to acquiring infections after a needlestick?</p>