Abstract

A bioaerosol consists of air and tiny particles; dust and biocomponents, making it an important carrier for pathogenic/allergic component transmission. Bioaerosols are the primary source for the spread of pathogens through the atmosphere and may be responsible for several human diseases, especially caused by respiratory pathogens including SARS-CoV-2 through sneezes, coughs, and exhaled breaths. Source, geographical location, anthropogenic activities, and environmental factors such as relative humidity, atmospheric temperature, and wind speed can greatly influence the concentration of pathogens in the air. The selection of effective sampling strategies is the key component for collection of bioaerosols for various research purposes. Diverse approaches are being used to collect samples of particulate matter from the atmosphere including filtration, liquid impingement, and impaction from sites of hospitals, volcanoes, polluted areas, livestock, farms, etc. Here, we have reviewed advancements in different sampling methods and strategies for the collection of bioaerosols.

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