Reduction of SARS – CoV2 Surrogate

Novaerus air dis-infection technology has been independently tested to reduce MS2 Bacteriophage, a surrogate for SARS-CoV-2(COVID-19), by 99.99%.

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AUTHORS

Jamie Balarashti - Study Director, Jeffery Trolinger - Principal Investigator

FACILITY

Aerosol Research and Engineering Laboratories

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Full Report

Objective

To evaluate the efficacy of the NV1050 at reducing aerosolized MS2 bacteriophage, a surrogate for SARS-CoV-2, the virus causing COVID-19.

Methodology

MS2 bacteriophage was aerosolized into a 16m3, sealed environmental bioaerosol chamber containing the NV1050.

AGI impingers were used to sample the chamber bioaerosol concentrations. All impinger samples were serially diluted, plated and enumerated in triplicate to yield viable bioaerosol concentration at each sampling point and time. Samples were taken at 0, 15 and 30 minutes in order to quantify the reduction speed and capabilities of the NV1050.

Chamber control trial data was subtracted from the NV1050 trial data to yield net LOG reduction in the chamber for the bioaerosol challenges.

Summary of Results

The NV1050 was shown to reduce MS2 bacteriophage by 99.99% in 15 minutes.

The NV1050 showed a high net log reduction in a relatively short amount of time with average log reduction values ranging from 4.14 net Log in 15 minutes to 4.59 net log reduction in 30 minutes.

A net log reduction over 4.0 in 15 minutes indicates the speed and efficiency of this device against the MS2 bacteriophage.

TEST RESULT

Viruses

Name	Reduction.	Time	Space	Model
SARS-CoV-21	99.99%	15 min	16 m3	NV1050
Measles2	99.87%	20-30 min	28.5 m3	NV1050
Influenza A	99.9%	10-20 min	28.5 m3	NV1050
Phi X 174	98.8%	30 min	60 m3	NV1050
SARS-CoV-23	99.99%	5 hours	16 m3	NV800
Norovirus4	99.99%	5 hours	16 m3	NV800
Influenza A5	99.99%	5 hours	16 m3	NV800

Bacteria

Name	Reduction.	Time	Space	Model
Tuberculosis6	97%	30 min	30 m3	NV1050
MRSA7	99.94%	15 min	30 m3	NV1050
Clostridicum difficile spores	99.9%	40 min	28.5 m3	NV1050
Staphylococcus epidermidis	99.9%	60 min	60 m3	NV1050
MRSA	99.99%	4 hours	1 m3	NV800
Bacillus subtilis	86.63%	6 hours	16 m3	NV800
Escherichia coli	71.80%	5 min	2.3 m3	NV200

Mould Spores

Name	Reduction.	Time	Space	Model
Aspergillus niger	99.99%	30 min	16 m3	NV1050
Aspergillus niger	99.10%	4 hours	16 m3	NV800

VOCs

Name	Reduction.	Time	Space	Model
Nitrogen Dioxide	99.49%	7.2 min	16 m3	NV1050
Formaldehyde	99.68%	1.1 min	16 m3	NV1050
Toluene	99%	9.1 min	19.72 m3	NV1050

Particulate

Name	Reduction.	Time	Space	Model
PM 1	99%	6.33 min	19.72 m3	NV1050
PM 2.5	99%	6.26 min	19.72 m3	NV1050

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