I am doing a direct inoculation sterility test.
The test only contains a small volume. I expect to dilute the sample with
Fluid A and will transfer half the volume (total of 1 mL) to TSB and FTM.
The batch is so small that only one production vial is tested.
Do i need a negative control? If yes what is it?
I already performed sterility and growth test on receiving the TSB/FTM.
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