LEXINGTON, Ky. — Over the past several months, schools across the country have been forced to make difficult decisions about whether and how to return to the classroom.
At what point will it be safe?
While it’s tough to answer that question, Kelly G. Pennell, Gill Associate Professor in the Department of Civil Engineering and director of the University of Kentucky Superfund Research Center (UK-SRC), have co-authored an article detailing lessons learned about stakeholder engagement and risk communication relevant for COVID-19 and school reopening.
The article, “Balancing incomplete COVID-19 evidence and local priorities: risk communication and stakeholder engagement strategies for school re-opening,” appeared in the recent edition of Reviews on Environmental Health.
The article examines potential engineering controls to reduce SARS-CoV-2 exposures and presents processes whereby local decision-makers can identify and partner with scientists, faculty, students, parents, public health officials, and others to determine the controls most appropriate for their communities.
“While no solution completely eliminates risks of SARS-CoV-2 exposure and illness, this mini-review discusses engaged decision and communication processes that incorporate current scientific knowledge, school district constraints, local tolerance for health risk, and community priorities to help guide schools in selecting and implementing re-opening strategies that are acceptable, feasible, and context-specific,” the article abstract states.
Anna G. Hoover from the UK College of Public Health and Wendy Heiger-Bernays from the Boston University School of Public Health are listed as the first authors, followed by Sweta Ojha, a doctoral student in Pennell’s research group. Pennell, Hoover, and Heiger-Bernays are longtime collaborators through the National Institute of Environmental Health Sciences (NIEHS) Superfund Research program, leading “translational research” for over a decade.
Although most school systems around the country already have resumed classes in some form, many are still struggling to balance face-to-face, hybrid and virtual learning options. In the article, the authors draw upon lessons learned from decades of working with at-risk communities who live near hazardous waste sites. They discuss the roles of engineering (ventilation), administrative (risk communication), personal (masking) controls, and position stakeholder engagement as a potentially important modulator of the effectiveness of these controls.
On Oct. 5, the Centers for Disease Control and Prevention (CDC) updated its guidance, acknowledging the coronavirus can spread through airborne particles. Circumstances under which airborne transmission has occurred include enclosed spaces, prolonged exposure to respiratory particles, and inadequate ventilation or air handling.
“The CDC’s acknowledgment that close contact, airborne transmission, and inadequate building ventilation play a role in COVID-19 follows recognition of this exposure pathway by many experts within the scientific community,” Pennell said. “The recently updated CDC guidance reinforces the importance of our article, which discusses methods for engaging with stakeholders to share accurate, science-based, and importantly, context-specific information.”
Pennell is an expert on indoor air exposure risks, Heiger-Bernays brings expertise about risk assessment and Hoover is an authority on risk communication. Pennell and Hoover currently have several grants together that focus on stakeholder engagement, while Pennell and Heiger-Bernays have been collaborators for more than a decade and have conducted NEIHS-funded research together, as well as field studies in community settings. Collectively, all three are passionate and skilled at conducting stakeholder-engaged translational research.
“Fostering Informed Decisions and Actions” is one of the 21st Century Grand Challenges for Environmental Engineering and served as one of the main themes of Pennell’s 2015 NSF CAREER Award. She designed a course as part of her CAREER award titled, “Environmental Health and Engineering.” As part of that course, Pennell focuses on the importance of stakeholder engagement for engineering solutions to complex environmental problems. In early spring 2020, as SARS-CoV-2 infections spread and the COVID-19 pandemic was gaining attention, Hoover, a guest lecturer in the course, and Pennell designed a class project that connected stakeholder engagement and the use of cloth face masks to reduce SARS-CoV-2 airborne transmission.
“When I assigned the project, the CDC had just changed its guidance about the benefits of cloth face masks,” Pennell said. “Prior to the course project, the class had been learning about indoor air quality and ventilation, so it was an ideal project.”
Ojha, an international student from Nepal, was one of the students in the course. In the direction of Pennell and Hoover, she also conducts research related to stakeholder engagement around per- and polyfluorinated alkyl substances (PFAS) and drinking water systems. Pennell says Ojha has a unique perspective about the importance of risk tolerance among diverse groups and how wearing face masks on campus would be perceived differently among different student populations. Ojha has been a passionate advocate for reducing SARS-CoV-2 exposure risks in public spaces, especially in confined spaces within graduate housing.
Although not directly related to COVID-19, Pennell and Hoover lead a research project within UK-SRC that incorporates stakeholder engagement approaches to develop engineering solutions for aging piping infrastructure in ways that are acceptable to communities. Ojha is one of several students working on the project.
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