Source: University of Virginia
Summary: Researchers have determined that the mix of bacteria that live inside your nose yes, there are organisms living inside your nose correlates with the type and severity of cold symptoms you develop.
More Information: Markus J. Lehtinen et al. Nasal microbiota clusters associate with inflammatory response, viral load, and symptom severity in experimental rhinovirus challenge, Scientific Reports (2018). DOI: 10.1038/s41598-018-29793-w