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Tag: World Health Organization
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Safe Work Australia updates ventilation advice
Safe Work Australia has updated its guidance on improving ventilation in indoor workspaces to minimise the risks of COVID-19, including information about modifying HVAC systems. The information is a key resource for employers, who have a duty under the model Work Health and Safety laws to minimise the risks of COVID-19 in the workplace so […]
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New WHO air quality guidelines could save millions of lives
The World Health Organization (WHO) has released new guidelines for air quality in recognition of the damage air pollution inflicts on human health, at even lower concentrations than previously understood. The guidelines set maximum levels for a range of pollutants: particulate matter (as PM2.5 and PM10), ozone, nitrogen dioxide, carbon monoxide and sulfur dioxide. They […]
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ASHRAE issues ‘unequivocal’ COVID advice
The ASHRAE Epidemic Task Force has released an updated, unequivocal statement on the airborne transmission of SARS-CoV-2 (the virus that causes COVID-19) in buildings. “Airborne transmission of SARS-CoV-2 is significant and should be controlled,” says the statement. “Changes to building operations, including the operation of heating, ventilating, and air conditioning systems, can reduce airborne exposures.” […]
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COVID-19 outbreaks prompt hospital HVAC audit
The Victorian Health and Human Services Building Authority has commissioned engineering assessments of the HVAC systems within wards dedicated to suspected and confirmed COVID-19 patients at 20 hospital sites over the next eight weeks. The assessment will work with health services to verify airflow rates, effectiveness of ventilation strategies adopted by hospitals, and any adjustments […]
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COVID-19 forcing a rethink on ventilation
Over the past few weeks, as the world registers more outbreaks of COVID-19, the attention on aerosol transmission of the virus has intensified. Researchers at the University of Florida have now made an important breakthrough. The team isolated viable virus from aerosols collected in a hospital room dedicated to two patients with COVID-19. The air […]
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‘Watching brief’ on airborne COVID-19
The World Health Organization (WHO) has acknowledged growing concerns surrounding the airborne transmission of the coronavirus, following the publication of an open letter addressed to the Geneva-based agency, but says more evidence is still required. Since the beginning of the pandemic, the organisation has advised that the virus is primarily spread through large respiratory droplets […]
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Experts call for indoor humidity guidelines
Leading members of the international scientific and medical community have called on the World Health Organization (WHO) to establish global guidance on the minimum lower limit of air humidity in public buildings. Those behind the move have created a petition, which they say is aimed at increasing global public awareness about the crucial role indoor […]