Bioaerosols are ubiquitous in indoor and outdoor environment. 1 They are tiny airborne particles, usually ranging from 0.001 nm to 100 μm, containing pathogenic and non-pathogenic dead or alive microorganisms (bacteria, fungi, and virus). 2,3 Fine bioaerosols tend to suspend for a long time in the air, varying from several minutes and even hours depending on their size. [4][5][6] Exposure to bioaerosols potentially poses adverse health effects, including infectious and respiratory diseases, allergies, and even cancer. 3,7 People spend about 85% of their lifetime indoors, and remarkably 70% of which was spent at home. 8 It is of importance to characterize bioaerosols in residential homes for better indoor air quality and human health.Abundant studies based on culture-based or culture-independent methods have investigated bioaerosols in residences 9,21-23 as well
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