[MCOH-EH] "Half Strength" PPD?

[Galaid Edward I]

I'm crossposting with MCOH and OEM-L.

I am reviewing our TB surveillance program policies that I inherited when I came on board here.  The current policy, I discovered,  states that for persons with a history of a positive PPD in the past but no documentation, or for those with a history of BCG immunization,  that they be administered 2.5 TU rather than 5.

Apparently "it's always been done that way" but I am at a loss to find any guidance that supports this.   Any insight appreciated.

I'm also on a quest to review the literature on adverse reactions to tuberculin.  Seems like there are a lot of "urban myths" that need to be dispelled.  If anyone's assembled a bibliography that could save me some time, that they'd be kind to share, it would be a huge favor.

Thanks

Ed Galaid

Edward I. Galaid, MD, MPH
ABIM, ABPM
Medical Director, RSF Workforce Health Solutions
Roper St . Francis       Charleston, SC
Member, ACOEM Task Group on Medical Guidance for Law Enforcement Officers
Member, NFPA 1582 Writing Group - NFPA Technical Committee on Fire Fighter Safety and Health
843-906-0519




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