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Johnin PPD Sample - Tuberculosis, Dried, 1947 Object Reg. No: HT 3275

Bottle of dried Johnin PPD Sample. Used by Commonwealth Serum Laboratories (CSL) Ltd, Parkville, Victoria, 1947. Johnin is a product used as a diagnostic agent, analogous to tuberculin but made from mycobacterium paratuberculosis (the causative organism of Johne's disease) grown in a broth medium containing mycobacterium phlei (timothy hay bacillus); used as an allergen to provoke reactions in infected animals.
Glass jar with glass lid, bound in plastic. Contains brown powder in clumps. Paper label.
Acquisition Information:
Donation from CSL Ltd (Commonwealth Serum Laboratories), 2004
Discipline: Technology
Dimensions: 8.00 cm (Height), 4.50 cm (Width)

More information

Tagged with: medical diagnostic tests, tuberculosis
Themes this item is part of: Medicine in Society Collection, CSL (Commonwealth Serum Laboratories) Collection
Primary Classification: MEDICINE & HEALTH
Secondary Classification: Medical Research
Tertiary Classification: pharmaceuticals
Inscriptions: Label: Jan/March 1947/Commonwealth Serum/Laboratories/Johnin P.P.D./(Dried)/2.017 gms.
Maker: CSL Ltd (Commonwealth Serum Laboratories), Parkville, Victoria, Australia, 1947

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