"This study reveals the leading role of airborne SARS-CoV-2 transmission and negligible role of fomite transmission in a poorly ventilated indoor environment, highlighting the need for more targeted interventions in such environments. The quanta generation rate of the index case differed by a factor of 1.8 on the two buses and transmission occurred in the afternoon of the same day, indicating a time-varying effective viral load within a short period of five hours."

"support the necessity to wear surgical masks during the COVID-19 pandemics; "

{Current COVID-19 related developments and news}

2019 July/ "Aspergillus spp... survives well in air, dust, and moisture present in health-care facilities." "Other opportunistic fungi that have been occasionally linked with health-care associated infections are members of the order Mucorales (e.g., Rhizopus spp.) and miscellaneous moniliaceous molds (e.g., Fusarium spp. and Penicillium spp.)"

2003

2020 paper **discusses potential for using CD for disinfection in air in occupied areas**