Epidemiology of influenza from 2017 to 2022 in a national children’s regional medical center

BMC Pediatrics

Table 2 The positive rates of influenza virus in different age groups in 2017–2022

Age group	Influenza-like symptoms, n	Positive cases, n	Positive rate*, %	P
< 3 years	2335	176	7.54	< 0.001
3–6 years	3011	397	13.18
> 6 years	1429	332	23.23
Total	6775	905	13.36

*: The positive rate was calculated as the number of positive cases divided by the number of influenza-like symptom cases

ISSN: 1471-2431