Summary of bacterial strains used in this study

[i] aBacterial strains were cultured from blood, soil, or cerebrospinal fluid (CSF).
[ii] bRDNC, reacts does not conform.
[iii] cAntibiotic resistance profile. A, 10 μg of ampicillin; C, 30 μg of chloramphenicol; K, 30 μg of kanamycin; S, 10 μg of streptomycin; Su, 200 μg of compound sulphonamide; W, 5 μg of trimethoprim; NK, not known.