The impact of heating, ventilation and air conditioning (HVAC) design features on the transmission of viruses, including the 2019 novel coronavirus (COVID-19): A systematic review of humidity

The impact of heating, ventilation and air conditioning (HVAC) design features on the transmission of viruses, including the 2019 novel coronavirus (COVID-19): A systematic review of humidity

The aerosol route has been a pathway for transmission of many viruses. Similarly, recent evidence has determined aerosol transmission for SARS-CoV-2 to be significant. Consequently, public health officials and professionals have sought data regarding the role of Heating, Ventilation, and Air Conditi...

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Veröffentlicht in:PloS one 2022-10, Vol.17 (10), p.e0275654
Hauptverfasser: Thornton, Gail M, Fleck, Brian A, Dandnayak, Dhyey, Kroeker, Emily, Zhong, Lexuan, Hartling, Lisa
Format: Artikel
Sprache:eng
Schlagworte:
Aerosols
Air Conditioning
Biology and Life Sciences
Coronaviridae
Coronaviruses
COVID-19
Earth Sciences
Heating
Humans
Humidity
Humidity effects
Infectivity
Influenza
Influenza, Human
International standardization
International standards
Medicine and Health Sciences
Middle East respiratory syndrome
Moisture effects
Public health
Relative humidity
Respiratory Aerosols and Droplets
SARS-CoV-2
Severe acute respiratory syndrome
Severe acute respiratory syndrome coronavirus 2
Survival
Swine flu
Systematic review
Testing procedures
Ventilation
Viral diseases
Viruses
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Zusammenfassung:The aerosol route has been a pathway for transmission of many viruses. Similarly, recent evidence has determined aerosol transmission for SARS-CoV-2 to be significant. Consequently, public health officials and professionals have sought data regarding the role of Heating, Ventilation, and Air Conditioning (HVAC) features as a means to mitigate transmission of viruses, particularly coronaviruses. Using international standards, a systematic review was conducted to comprehensively identify and synthesize research examining the effect of humidity on transmission of coronaviruses and influenza. The results from 24 relevant studies showed that: increasing from mid (40-60%) to high (>60%) relative humidity (RH) for SARS-CoV-2 was associated with decreased virus survival; although SARS-CoV-2 results appear consistent, coronaviruses do not all behave the same; increasing from low (
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0275654