Clostridium difficile Spore Reduction

Authors

Naga Bonagiri, Scientific Officer

Facility

Airmid Health Group Ltd.

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Objective

To assess the performance of the NV1050 in removing aerosolized Clostridium difficile spores.

Methodology

The impact of the Novaerus NV1050 on aerosolised C. difficile spores was conducted in the 28.5m3 environmental test chamber. The test chamber was preconditioned to 20 ± 3 °C and 55 ± 5% relative humidity.

During the test runs the air purifier was placed in the centre of the test chamber and operated at full speed mode. During the control runs the air purifier was switched off.

The C. difficile spores were nebulised into the chamber for a fixed time and mixed with a ceiling fan.

Biostage impactors were used to sample the air.

Summary of Results

The results achieved during the testing show that the NV1050 demonstrated to be effective in reducing the airborne C. difficile by 99.6% within the first 20 minutes and this increased to > 99.9% after 40 minutes.

C-Diff-Reduction-Graph-NV.png

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