Measles Virus Reduction

Authors
Tristan Russell, PhD., Senior Scientific Officer
Facility
Airmid Healthgroup, Ireland
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Objective

To assess the performance of the Defend 1050 / Pro XL in removing aerosolized Human parainfluenza type 3 (HPIV3) (renamed human respirovirus 3), a surrogate for Measles virus.

Methodology

The impact of the Defend 1050 / Pro XL air purifier on aerosolized HPIV3 (strain MK-3) was conducted in a 28.5 m3 environmental testing chamber. The test chamber was preconditioned to 20 ± 3 °C and 55 ± 5% relative humidity. During testing, the chamber air handling unit was shut down, which reduces the number of air changes to as close to zero as possible.

Results

The results achieved during the testing show that the Defend 1050 / Pro XL was able to reduce the concentration of HPIV3 by 99.87% in 20 - 30 minutes.

Measles-Reduction-Graph-WA.png

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