Analysis of human metapneumovirus outbreaks in kindergartens and schools in Shenzhen, 2017-2023

WANG Xin; FANG Shisong; WU Weihua; LIU Hui; SUN Ying; ZOU Xuan; TANG Xiujuan

doi:10.16835/j.cnki.1000-9817.2024356

Volume 45 Issue 12

Dec. 2024

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WANG Xin, FANG Shisong, WU Weihua, LIU Hui, SUN Ying, ZOU Xuan, TANG Xiujuan. Analysis of human metapneumovirus outbreaks in kindergartens and schools in Shenzhen, 2017-2023[J]. CHINESE JOURNAL OF SCHOOL HEALTH, 2024, 45(12): 1789-1791. doi: 10.16835/j.cnki.1000-9817.2024356

Citation:

WANG Xin, FANG Shisong, WU Weihua, LIU Hui, SUN Ying, ZOU Xuan, TANG Xiujuan. Analysis of human metapneumovirus outbreaks in kindergartens and schools in Shenzhen, 2017-2023[J]. CHINESE JOURNAL OF SCHOOL HEALTH, 2024, 45(12): 1789-1791. doi: 10.16835/j.cnki.1000-9817.2024356

Citation:

WANG Xin, FANG Shisong, WU Weihua, LIU Hui, SUN Ying, ZOU Xuan, TANG Xiujuan. Analysis of human metapneumovirus outbreaks in kindergartens and schools in Shenzhen, 2017-2023[J]. CHINESE JOURNAL OF SCHOOL HEALTH, 2024, 45(12): 1789-1791. doi: 10.16835/j.cnki.1000-9817.2024356

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Analysis of human metapneumovirus outbreaks in kindergartens and schools in Shenzhen, 2017-2023

doi: 10.16835/j.cnki.1000-9817.2024356

1.
Microbiological Testing Institute of Shenzhen Center for Disease Control and Prevention, Shenzhen (518055), Guangdong Province, China

Received Date: 2024-09-26
Rev Recd Date: 2024-11-08

Available Online: 2025-01-07

Publish Date: 2024-12-25

Abstract

Abstract

Objective To analyze the monitoring results and characteristics of human metapneumovirus (HMPV) outbreaks in Shenzhen in kindergartens and schools during 2017-2023, so as to provide a evidence for prevention and control of respiratory diseases. Methods Based on the epidemiological data and laboratory test results of HMPV outbreaks in kindergartens and schools of Shenzhen during 2017 to 2023, collected from the influenza monitoring network platform, Mann Kendall test was applied for trend analysis pf HMPV. Results A total of 11 HMPV outbreaks were identified in kindergartens and schools from 2017 to 2023 for 128 cases with an average incidence rate of 26.61% in 2018. The most yearly HMPV outbreaks were reported in 2020 being 4 outbreaks, followed by 2 outbreaks in 2018. A total of 72.73% (8 outbreaks) of HMPV outbreaks were identified in kindergartens with 27.27% (3 outbreaks) occurring in primary schools. The monthly greatest count of outbreak was 3(27.27%) in March and December, followed by 2 outbreaks (18.18%) in April and June. A total of 98 swab samples were collected, and 80 samples were positive for respiratory viruses with a positive rate of 81.63%; among them, 67 samples were positive for HMPV alone, 10 samples were positive for other respiratory viruses alone, and 3 samples were positive both for HMPV and other respiratory virus. Among the 11 human metalung virus cases, 6 HMPV outbreaks were caused by human metapneumovirus alone, and 5 outbreaks were caused by HMPV and other respiratory viruses. Except for 2020, the percentage of HMPV outbreaks in influenza like illness outbreaks increased with year (Z=2.25, P=0.02). Conclusion HMPV outbreaks have been reported every year from 2017 to 2023 in kindergartens and schools in Shenzhen, most of HMPV in kindergartens, and the peak seasons of HMPV outbreaks are spring and winter.
- Respiratory tract infections,
- Disease outbreaks,
- Population surveillance,
- Incidence

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References(15)

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