Table 2. Predominant bacterial genera identified from the nostrils of healthy medical students.

Genus	Order	Phylum	Relative abundance (%)
Citrobacter	Enterobacteriales	Proteobacteria	10.3%
Acinetobacter	Pseudomonadales	Proteobacteria	9.2%
Corynebacterium	Corynebacteriales	Actinobacteria	7.2%
Paenibacillus	Bacillales	Firmicutes	4.7%
Bacillus	Bacillales	Firmicutes	4.2%
Pseudomonas	Pseudomonadales	Proteobacteria	3.0%
Lysinibacillus	Bacillales	Firmicutes	2.7%
Morganella	Enterobacteriales	Proteobacteria	2.4%
Rhodococcus	Actinomycetales	Actinobacteria	2.0%
Cellulomonas	Actinomycetales	Actinobacteria	1.9%