Surveillance results of respiratory syncytial virus outbreaks in kindergarten and school in Shenzhen, 2017-2023
10.16835/j.cnki.1000-9817.2024330
- VernacularTitle:深圳市幼儿园和学校2017—2023年呼吸道合胞病毒聚集性疫情监测结果
- Author:
WANG Xin, FANG Shisong, WU Weihua, LIU Hui, SUN Ying, ZOU Xuan, TANG Xiujuan
1
Author Information
1. Pathogen Microorganism Testing Institute, Shenzhen Center for Disease Control and Prevention, Shenzhen (518055) , Guangdong Province, China
- Publication Type:Journal Article
- Keywords:
Respiratory syncytial viruses;
Disease outbreaks;
Incidence;
Population surveillance;
Child,preschool
- From:
Chinese Journal of School Health
2025;46(3):435-437
- CountryChina
- Language:Chinese
-
Abstract:
Objective:To analyze respiratory syncytial virus(RSV) outbreaks surveillance results and the epidemiological characteristics in kindergarten and school in Shenzhen during 2017-2023 , so as to provide a scientific reference for control and prevention of RSV.
Methods:Epidemiological data and surveillance results of RSV outbreaks in kindergarten and school from 2017 to 2023 were collected for descriptive analyses.
Results:A total of 31 RSV outbreaks were identified in kindergarten and school in 2017-2023 in Shenzhen, 346 cases were reported, the average incidence rate was 22.02%. The most annual RSV outbreaks were reported in 2020 with 14 outbreaks, followed by 8 outbreaks in 2023. A total of 64.52% of RSV outbreaks were identified in kindergarten with rest occurring in primary school or middle school. The greatest monthly count of outbreak was 18 (58.06%) in September, followed by 3 outbreaks (9.68%) in March and October. A total of 244 swab samples were collected, 169 samples were positive for respiratory viruses, the positive rate was 69.26%, 121 samples were positive for RSV,from 31 respiratory syncytical virus outbreaks 57 and samples were positive for other respiratory viruses(9 samples were positive for two respiratory viruses). A toral of 14(45.16%) outbreaks are caused by RSV alone, 17 outbreaks (54.84%) were caused by RSV and other respiratory viruses.
Conclusions:Most RSV outbreaks in kindergarten and school are reported after 2020 in Shenzhen, most RSV outbreaks occur in kindergarten, peak seasons of RSV outbreaks are autumn and spring.
