. 2021 Aug 28;47:179. doi: 10.1186/s13052-021-01130-4

Table 1.

Age distribution of most frequently involved pathogens in pediatric AHOM

Age	Pathogens
< 3 months	S. aureus E. coli H. influenzae N. gonorrhoeae (in case of congenital infection) Streptococcus β haemolyticus group B C. albicans
3 months – 5 years	S. aureus K. kingae Streptococcus β haemolyticus group A S. pneumoniae (especially under 2 years-old) H. influenzae type B (rare in fully vaccinated immunocompetent patients)
> 5 years	S. aureus Streptococcous β haemolyticus group A N. gonorrhoeae (in sexually active adolescents)

Age

Pathogens

< 3 months

S. aureus

E. coli

H. influenzae

N. gonorrhoeae (in case of congenital infection)

Streptococcus β haemolyticus group B

C. albicans

3 months – 5 years

S. aureus

K. kingae

Streptococcus β haemolyticus group A

S. pneumoniae (especially under 2 years-old)

H. influenzae type B (rare in fully vaccinated immunocompetent patients)

> 5 years

S. aureus

Streptococcous β haemolyticus group A

N. gonorrhoeae (in sexually active adolescents)