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Koch’ s Postu|ates 3. Organism causes disease when injected into healthy individuals 4. Organism re-isolated from infected individual from point 3 KOCHS POSTULATES Diseased The postulates: Tools: 3. Cells from a pure culture Experimental animal of the suspected organism should cause disease in a Diseased animal healthy animal Remove blood or tissue sample and observe by microscopy 4. The organism should be aboratory reisolation Suspecte Laboratory Pure culture reisolated and shown to be (must b the same as the original.3. Organism causes disease when injected into healthy individuals 4. Organism re-isolated from infected individual from point 3. Koch’s Postulates
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