Fig. 4. Polymicrobial interaction network between airway microbial communities at the genus level. Red and blue edges represent positive and negative correlations, respectively.

(Aer: Aeromicrobium, Sal: Salinispora, Hyt: Hydrotalea, Lac: Lactobacillus, Aci: Acidoborax, Bra: Bradyrhizobium, Bur: Burkholderia, Cup: Cupriavidus, Del: Delftia, Hal: Halomonas, Hyg: Hydrogenophaga, Mes: Mesorhizobium, Nit: Nitrobacter, Var: Variovorax)