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Clairvaux Tuberculosis Hospital | | | August Haze | ![]() |
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Clairvaux Tuberculosis Hospital | | | August Haze | ![]() |
PPD stands for plasma protien derivative I believe. A small amount is injected just under your skin leaving what looks like a mosquito bite. If the bite goes away in a 48 hours no problem. If it gets bigger and looks inflamed the presumption is that you've been exposed to the disease enough so your system has built up antibodies to it. Afterwards you need a yearly chest x-ray to see if you have active TB. Or you could be allergic to it and your arm could blow up like a ballon. It happened to a good buddy of mine.
This person, it seems, was lucky too - I bet they sighed in relief.