The year 2020 has seen the emergence of a global pandemic as a result of the disease
COVID-19. This report reviews knowledge of the transmission of COVID-19 indoors …

Objective Current epidemiologic predictions of COVID-19 suggest that SARS-CoV-2
mitigation strategies must be implemented long-term. In-office aerosol-generating …

The present study deals with an evaluation of the air purifier's effectiveness in reducing the
concentration of different sized particulate matter (PM) and ions in the real-world indoor …

Many people spend most of their time in an indoor environment. A positive relationship
exists between indoor environmental quality and the health, wellbeing, and productivity of …

An electrostatic precipitator was evaluated to reduce nanometric and micron-sized particles
in indoor air environments. This process consists in a negative air ionizer assisted by a …

The global spread of coronavirus disease 2019 poses a significant threat to human health.
In this study, recent research on the characteristics of expiratory particles and flow is …

In this study we investigated the effectiveness of air purifiers and in-line filters in ventilation
systems working simultaneously inside various classrooms at the University of Southern …

Polylactic acid (PLA) is a biodegradable and biocompatible polymer. Melt‐blown PLA
electret fabrics have become attractive materials for air filter applications. Its filtration …

Mobile air cleaners have been gaining popularity as potentially effective tools for improving
indoor air quality. Usually, the efficacy of an air cleaner is quantified by determination of the …

The airborne transmission in indoor environments represents the main pathway of
respiratory pathogens, and most of the indoor environments do not have adequate …