Etiology spectrum of virus in acute upper respiratory infection in children from 2017 to 2018 in Qingdao
10.16462/j.cnki.zhjbkz.2019.06.015
- Author:
Feng ZHANG
1
;
Xiao-yan SHI
;
Dan ZHAO
;
Wen YANG
;
Rui SUN
;
Zhi-lei SU
;
Zhao-guo WANG
;
Ru-qin GAO
Author Information
1. Department of Pathogenic Microorganism Laboratory, Qingdao Municipal Center for Disease Control and Prevention
- Publication Type:Research Article
- Keywords:
Children;
Acute respiratory infection;
Respiratory virus;
Pathogenic spectrum;
Epidemic characteristics
- From:
Chinese Journal of Disease Control & Prevention
2019;23(6):694-699
- CountryChina
- Language:Chinese
-
Abstract:
Objective To understand the prevalence and epidemiological characteristics of respiratory viruses in influenza-like illness in children during March 2017 to March 2018 in Qingdao. Methods A random selection of influenza surveillance cases (influenza-like illness, ILI) among children in Qingdao area was selected as the research object, and 359 cases were detected. Nasopharyngeal swabs were collected for multiple-fluorescence real-time reverse transcription-polymerase chain reaction nucleic acid detection to screen 9 kinds of respiratory viruses. Results Among the 359 Cases, 200 cases were positive for at least 1 kinds of viruses, and the positive rate was 55.71%(200/359). Among these 200 cases, the most positive numbers were influenza B Yamagata (IVB Yamagata) 29.50%(59/200), followed by enterovirus 15.00%(30/200), respiratory adenovirus (AdV) 13.50%(27/200), respiratory syncytial virus A (RSVA) 12.5%(25/200), influenza A H1N1(IVA H1N1) 10.00%(20/200), etc. 2 cases were 3 kinds of mixed viruses infected and 1 case was 4 kinds of mixed viruses infected. Conclusions Nine kinds of respiratory viruses are prevalent in Qingdao during March 2017 -March 2018. The main prevalence viruses contain influenza B Yamagata, enterovirus, respiratory adenovirus, respiratory syncytial virus A, influenza A H1N1. There is obvious seasonal distribution of influenza, respiratory syncytial virus, enterovirus, metapneumovirus. A mixed infection exists between 9 kinds of respiratory viruses, and mixed infection occurs in the month of the virus epidemic.
