purified protein derivative blue
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Stockphotos.ro (c) 2026. All stock photos are provided by Dreamstime and are copyrighted by their respective owners.
purified protein derivative blue |
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| navigate by keyword : derivative background purified protein blue antigen bcg vaccine biopsy chest ray clinical evaluation contact investigation culture diagnosis erythema exposure false negative positive healthcare worker hypersensitivity immunization immunocompromised induration infection intradermal injection latent mantoux test mycobacterium tuberculosis ppd reaction preventive therapy public health quantiferon radiography reactivity screening sensitivity skin specificity sputum analysis surveillance symptom assessment tuberculin vaccination viral load guidelines findings zoonotic ziehl neelsen stain |
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| purified protein derivative on blue background |
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Stockphotos.ro (c) 2026. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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