The multiple modes of SARS-CoV-2 transmission including airborne, droplet, contact, and
fecal–oral transmissions that cause coronavirus disease 2019 (COVID-19) contribute to a …

Objectives To evaluate (1) the relationship between heating, ventilation, and air conditioning
(HVAC) systems and bioaerosol concentrations in hospital rooms, and (2) the effectiveness …

Highlights•Bacteria and fungi were measured in kindergartens for different
regions/seasons.•Mean concentration of fungi/bacteria in indoor air was 7±6/42±29 …

The hospital sewage contains many pathogenic bacteria, which may produce bioaerosol
and spread diseases during the sewage treatment process. In this study, the characteristics …

The adequate assessment and management of indoor air quality in healthcare facilities is of
utmost importance for patient safety and occupational health purposes. This study aims to …

This study describes a spatio-temporal characterization of concentrations of BTEX in
ambient air of four hot spots (bus terminals) in the megacity of Tehran. Monte Carlo …

Examining the concentration and types of airborne bacteria in waste paper and cardboard
sorting plants (WPCSP) is an urgent matter to inform policy makers about the health impacts …

SARS-CoV-2, and several other microorganisms, may be present in nasopharyngeal and
salivary secretions in patients treated in dental practices, so an appropriate clinical behavior …

Studies on indoor air quality (IAQ) have linked exposure to microorganisms in indoor air to a
variety of illnesses. The association between indoor air quality, surface contamination, and …

Poor indoor air quality in healthcare settings has been tied with the increase in hospital-
acquired infections. Thus, this systematic review was conducted to assess the levels and …