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In the 21st century, humans live in high-density contexts and spend a very high proportion of time inside buildings. Indoor environmental quality has so far focused more on physical and chemical pollutants, such as temperature, humidity, and odours. However, the microbial communities with which these spaces are shared have been little studied, and COVID-19 has brought focus on the role that the built environment may play in the transmission of pathogens. This Collection provides a home for emerging research into the microbial inhabitants in built environment surfaces and in air and water systems. All aspects of microbial life that occurs in built environment and infrastructure, including buildings, transport vehicles, water treatment facilities and building services are showcased in this Collection.
The COVID-19 pandemic has encouraged scientists and the general population to think more than ever before about how we interact with microbes in our indoor spaces. Research investigating transmission of SARS-CoV-2 has advanced our knowledge significantly in the last two years. However, indoor and built environment microbiomes are extremely complex polymicrobial systems. We have barely scratched the surface in our understanding of the microbial inhabitants of our indoor and urban spaces. The Microbes in the Built Environment Collection showcases recent research in this important topic around the globe.