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Scientific Proof


Summary Studies & Test Reports

AiroDoctor for the elimination of infectious aerosols in the air

Press Releases


AiroDoctor - Innovative Air Purification Proven To Kill Viruses And Bacteria Aerosols

First published on: March 23rd, 2020

Studies & Scientific Reports

medRxiv by Cold Spring Harbor Laboratory (CSHL)

For the first time worldwide, the University of Florida succeeded in detecting living Sars-CoV-2 in the air and 5 meters away from the patient. This clearly proves aerosol transmission and standard ventilation in interior spaces is not enough. In addition, it was confirmed that the virus stays infectious for up to3 hours in the air.

The Lancet - Respiratory Medicine

The analysis shows that the most dangerous particles are those that are less than 0.1 µm in size - much smaller than usual aerosols (3-5 µm).

National Institutes of Health, Hamilton, USA

Aerosol and surface stability of HCoV-19 (SARS-CoV-2) compared to SARS-CoV-1

National Academy of Sciences, USA

The airborne lifetime of small speech droplets and their potential importance in SARS-CoV-2 transmission

National Academy of Sciences, USA

Infectious virus in exhaled breath of symptomatic seasonal influenza cases from a college community

The Journal of Clinical Investigation, USA

Metabolic effects of air pollution exposure and reversibility:
It has long been known that air pollution in city centers has negative effects on people. It has now been analyzed and proven by Johns Hopkins University that fine dust / car exhaust fumes lead to an increased risk of diabetes. We're exposed to that pollutants also in indoor environments, especially in big cities.

Science Mag - American Association For The Advancement of Science

Respiratory infections occur through the transmission of virus-containing droplets (>5 to 10 μm) and aerosols (≤5 μm) exhaled from infected individuals during breathing, speaking, coughing, and sneezing.

Université Laval in Québec, Canada

Clinical Infectious Diseases (2015; doi: 10.1093/cid/civ321) - Detection and Quantification of Airborne Norovirus During Outbreaks in Healthcare Facilities

Medical Research Institute, Chungbuk National University, Republic of Korea

Infection and Rapid Transmission of SARS-CoV-2 in Ferrets

Nature Research Journal

Aerosol emission and superemission during human speech increase with voice loudness

New England Journal of Medicine

Aerosol and Surface Stability of SARS-CoV-2 as Compared with SARS-CoV-1

JAMA Network - American Medical Association

Turbulent Gas Clouds and Respiratory Pathogen Emissions Potential Implications for Reducing Transmission of COVID-19

International Press


A woman spread COVID to 27 customers at a Starbucks. Its mask-wearing employees escaped infection:
"The virus may spread where people can’t wear masks while eating or drinking tea, as witnessed at the Starbucks in Paju,"


‘A Smoking Gun’: Infectious Coronavirus Retrieved From Hospital Air


Six feet not far enough to stop virus transmission in light winds: study

Pulse News Korea

The Convergence for Emerging Virus Infection (CEVI) Research Group at the Korea Research Institute of Chemical Technology finds neutralizing antibodies against COVID-19

Business Insider

You're most likely to catch the coronavirus after other infected people cough, sneeze, or talk near you

The Economist

A new study shows that SARS-CoV-2 can linger in the air for hours and on some materials for days


The new coronavirus can likely remain airborne for some time

Naver South Korea

Seung-Hun Han President of Ki-Yeon Gun "Let's put it in school, air conditioner and air cleaner to kill corona"


6 feet enough for social distancing? MIT researcher says droplets carrying coronavirus can travel up to 27 feet

Public Institutions

Italia Ministry of Health

How is the new Coronavirus transmitted from person to person?

The new Coronavirus is a respiratory virus that spreads mainly through close contact with a sick person. The primary route is the breath droplets of infected people through, for example:
- saliva, coughing and sneezing
- direct personal contacts
- hands, e.g. touching with contaminated (not yet washed) mouth, nose or eyes

What is the definition of close contact?

The "close contact" (high risk exposure) of a probable or confirmed case is defined as:

a person who has had direct (face-to-face) contact with a COVID-19 case, at a distance of less than 2 metres and at least 15 minutes

a person who has been in a closed environment (e.g. classroom, meeting room, hospital waiting room) with a COVID-19 case in the absence of suitable PPE