Historically, a primary aim of bioaerosol research has been to understand and prevent 'unhealthy' human exposures to pathogens and allergens. However, there has been a recent paradigm shift in thinking about bioaerosols. Exposure to a diverse aerobiome - the microbiome of the air - is now considered necessary to be healthy.
Keywords: aerobiology; aerobiome; bioaerosols; microbiome; urban health; urban microbiome.
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