You can’t see it, but it is associated with the spread of viruses such as COVID-19. Recently, more and more studies and experts have concluded that this is a source of contamination. Time to move from cause and effect to a solution to minimize this invisible public enemy.
What are aerosols?
An aerosol is a colloidal mixture of all kinds of solid, liquid and gas particles. Their size is from 0.12 to 200 micrometers. Examples of aerosols are very diverse. Think of soot from cars, clouds and fog, smoke, microscopic droplets of water and mucus from breathing, speaking, sweating, sneezing, coughing, coughing and further. Aerosols are proven carriers of germs. This relationship has already been demonstrated in 1930 by Harvard researcher William Wells.
What do studies and experts say about aerosols with the COVID-19 virus?
Numerous studies have now been researching aerosols and the spread of the COVID-19 virus. The European Center for Disease Prevention and Control (ECDC) states that there is sufficient evidence for the transmission of the virus through aerosols when many people are together in one room: “Of 318 COVID-19 outbreaks investigated, only one was outdoors”. This is underlined by TU Delft professor of indoor environment Philo Bluyssen: “The concentration of viruses builds up and they will eventually end up in someone lungs.” Professor of building physics at the University of Eindhoven and Leuven Bert Blocken agrees with Bluyssen and urges for good air filtration: “It has to do with the accumulation of aerosols in a room. At some point, a certain concentration, a threshold value, is reached, and a mass contamination could possibly take place”.
Top virologist Christian Drosten and researcher Maurice de Hond already pointed out the role of aerosols in relation to the spread of the COVID-19 virus more than 3 months ago. Dutch virologist Ab Osterhaus believes that government policy regarding aerosols and the COVID-19 virus should be taken into account, and Detlef Lohse, professor of liquid physics at the University of Twente, points to the many studies that show how far the aerosols can go.
In an open letter with prove adressed to the World Health Organization (WHO) dated July 5, 2020, as many as 239 researchers, scientists and experts from 32 countries state that virus transmission through aerosols is a clearly proven way and that this should be taken into account in the making the government policy. University of Maryland professor Donald Milton, co-author of the letter, points out that an average person consumes 10,000 liters of air per day. “You only need one infectious dose of the COVID-19 virus in 10,000 liters.”
In response, WHO officials have now acknowledged that the virus can be transmitted through aerosols. Dutch Health Organisation RIVM has conducted a model study on aerosols and also officially acknowledged on July 7, 2020 that “exposure to virus through aerosols is possible”. Erwin Duizer, a RIVM virologist and one of the authors of the model study, told to newspaper NRC that the outcome of the study is in line with what is seen in practice.
How can you minimize aerosols?
Aerosols can be minimized by air cleaning from Euromate. This effect has been confirmed by independent research institute VTT from Finland and concluded by TNO. The VisionAir Blue Line MicrobeFree Global is an effective and efficient air purifier equipped with a high-quality HEPA filter. In combination with the Silver Ion filter and the SterilAir UV-C lamps, they together minimize all types of germs floating in the air. Current guidelines for indoor air quality are substandard and insufficient in the fight against COVID-19 virus. Air purification has become essential!
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