Table 1 Characteristics of the nasopharyngeal microbiome in healthy individuals and CNP patients

Control

Before treatment

After treatment

Commensal flora

Lactobacillus spp.

7.75 ± 0.20^a

4.88 ± 0.06^a

6.94 ± 0.17

Bifidobacterium spp.

5.72 ± 0.18^a

4.11 ± 0.13^a

5.24 ± 0.17

S. salivarius

6.78 ± 0.32^a

4.54 ± 0.2^a

6.87 ± 0.19

S. viridans

2.58 ± 0.06^a

3.47 ± 0.06^a

2.47 ± 0.07

Opportunistic flora

Staph. aureus

–

4.51 ± 0.12^a

2.76 ± 0.10^b

Staph.epidermidis

–

5.27 ± 0.16^a

2.70 ± 0.08^b

Strept. pyogenes

–

5.66 ± 0.14

3.01 ± 0.06^b

Escherichia coli

–

3.45 ± 0.12^a

–

Pathogenic flora

Pneum. pneumoniae

–

3.86 ± 0.07^a

–

Haem. influenzae

–

3.99 ± 0.01^a

–

Pseudom. aeruginosa

–

4.56 ± 0.25^a

–

Klebs. pneumoniae

–

4.86 ± 0.13^a

–

Fungal flora

Candida

–

2.89 ± 0.19^a

–