I am sure CDC keeps track of this.
Patsy

"Jasper, Thomas" wrote:

> My fellow histonetters,
>
> I would like to inquire about TB exposures.  This would apply to histotechs,
> PAs, pathologists, autopsy techs or any other lab personnel working in
> anatomic pathology.  Specifically, how many with a prior negative PPD
> converted to a positive PPD after exposure to a known case?  Demographics
> will factor into this inquiry so if you choose to respond it would be
> helpful to know where you're from.  I do not wish to clog the net with
> responses, but others on this list may have interest in this data.
> Thanks!
>
> Thomas Jasper HT(ASCP)BAS
> Anatomic Pathology Coordinator
> SMDC Clinical Laboratory
> Duluth, MN
> tjasper@smdc.org