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New Munters Whitepaper Explores How Humidity Affects Viral Infectivity and Longevity

There is a demonstratable link between humidity and the infectivity and longevity of a variety of viruses, such as influenza and coronaviruses, according to a new whitepaper by Munters, a global leader in energy-efficient and sustainable air treatment solutions. Titled “How Humidity Control Can Reduce Viral Infectivity and Longevity,” the scientific report addresses how it is possible to reduce the transmission and longevity of harmful viruses by controlling indoor Relative Humidity (RH) levels.

coronavirus graphic, covid-19The paper is based on gathered research, including studies on the efficiency of respiratory droplet transmission at humidity and temperature, virus survival and transmission at absolute humidity levels, and the effect of environmental parameters on the survival of airborne infectious agents. Among the most notable and timely findings, the research demonstrates that at RH levels between 40 and 50%, many types of common and harmful viruses such as influenza and coronaviruses are rendered inert much more quickly than at RH levels of less than 20%.

“Viruses that cause respiratory illnesses are often transmitted by viral particles through coughing, sneezing, talking and breathing,” said Martin Ginty, Global Pharmaceutical Industry Manager for Munters. “Research referenced in our whitepaper suggests that maintaining an indoor RH% level between 40 and 50% yields the maximum protective effect from both aerosolized and settled virus particles and that by maintaining these levels, it is possible to contribute to a healthier, safer environment.

“This evidence is particularly relevant in locations where winter tends to consist of low outdoor temperatures and low indoor humidity, as these conditions provide a favorable environment for viral transmission,” added Ginty. “By effectively controlling indoor climates in these locations, it is possible to limit the transmission of harmful viruses.”

Maintaining target RH levels can be accomplished using humidity control solutions which facilitate precise RH control for indoor environments. Furthermore, the whitepaper concludes that humidity control is always useful, but particularly during a typical ‘flu season,’ where outdoor temperatures and absolute humidity tend to be lower.

For more information on how humidity control can reduce viral infectivity and longevity, download the Munters whitepaper at https://www.munters.com/en/virus-control?country=us.

About Munters

Munters is a global leader in innovative, energy-efficient and sustainable climate solutions for mission-critical processes. We offer innovative, efficient and sustainable solutions for customers in many different industries where controlling temperature and humidity is mission critical. Our solutions reduce customers’ climate and environmental impact through lower resource consumption, and in the process contribute to cleaner air, higher efficiency and reduced carbon emissions. Sustainability is an important part of Munters’ business strategy and value creation. More information on Munters is available at https://www.munters.com/en/.

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