The way viruses spread from human to human is being reevaluated by scientists and that may have an impact on future ventilation standards.
At the outset of the Covid-19 outbreak, the prevailing belief was that the virus was spread via droplets that quickly dropped out of the air. As researchers studied the virus, however, they realized that it was likely spread via aerosols—smaller, lighter particles that travel further than six feet and can linger in the air in poorly ventilated spaces.
Colds and flu have been thought to be primarily spread via droplets, as well, as they hold more viruses than aerosols. But studies have found that a smaller amount of influenza virus is needed to infect people when inhaled as aerosols rather than sprayed up the nose as saliva droplets.
If this view is correct, improved ventilation could greatly reduce transmission of colds and flu viruses as well as Covid. For this reason, some believe new minimum ventilation standards in buildings should be enacted especially when one considers some 12,000 to 61,000 people annually succumb to the flu.
Related Stories
Affordable Housing | Apr 1, 2024
Biden Administration considers ways to influence local housing regulations
The Biden Administration is considering how to spur more affordable housing construction with strategies to influence reform of local housing regulations.
Affordable Housing | Apr 1, 2024
Chicago voters nix ‘mansion tax’ to fund efforts to reduce homelessness
Chicago voters in March rejected a proposed “mansion tax” that would have funded efforts to reduce homelessness in the city.
Standards | Apr 1, 2024
New technical bulletin covers window opening control devices
A new technical bulletin clarifies the definition of a window opening control device (WOCD) to promote greater understanding of the role of WOCDs and provide an understanding of a WOCD’s function.
Office Buildings | Mar 21, 2024
Corporate carbon reduction pledges will have big impact on office market
Corporate carbon reduction commitments will have a significant impact on office leasing over the next few years. Businesses that have pledged to reduce their organization’s impact on climate change must ensure their next lease allows them to show material progress on their goals, according to a report by JLL.
Adaptive Reuse | Mar 21, 2024
Massachusetts launches program to spur office-to-residential conversions statewide
Massachusetts Gov. Maura Healey recently launched a program to help cities across the state identify underused office buildings that are best suited for residential conversions.
Legislation | Mar 21, 2024
Bill would mandate solar panels on public buildings in New York City
A recently introduced bill in the New York City Council would mandate solar panel installations on the roofs of all city-owned buildings. The legislation would require 100 MW of solar photovoltaic systems be installed on public buildings by the end of 2025.
Office Buildings | Mar 21, 2024
BOMA updates floor measurement standard for office buildings
The Building Owners and Managers Association (BOMA) International has released its latest floor measurement standard for office buildings, BOMA 2024 for Office Buildings – ANSI/BOMA Z65.1-2024.
Codes and Standards | Mar 18, 2024
New urban stormwater policies treat rainwater as a resource
U.S. cities are revamping how they handle stormwater to reduce flooding and capture rainfall and recharge aquifers. New policies reflect a change in mindset from treating stormwater as a nuisance to be quickly diverted away to capturing it as a resource.
Plumbing | Mar 18, 2024
EPA to revise criteria for WaterSense faucets and faucet accessories
The U.S. Environmental Protection Agency (EPA) plans to revise its criteria for faucets and faucet accessories to earn the WaterSense label. The specification launched in 2007; since then, most faucets now sold in the U.S. meet or exceed the current WaterSense maximum flow rate of 1.5 gallons per minute (gpm).
Adaptive Reuse | Mar 15, 2024
San Francisco voters approve tax break for office-to-residential conversions
San Francisco voters recently approved a ballot measure to offer tax breaks to developers who convert commercial buildings to residential use. The tax break applies to conversions of up to 5 million sf of commercial space through 2030.