1. The substantial hospitalization burden of influenza in central China: surveillance for severe, acute respiratory infection, and influenza viruses, 2010–2012
- Author
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Yang Huai, Zijian Feng, Xixiang Huo, Jun Luo, Xuhua Guan, Maoyi Chen, Hui Jiang, Hui Chen, Hui Yang, Hongjie Yu, Jay K. Varma, Shali Liu, Yuzhi Zhang, Zhen Xu, Xuesen Xing, Faxian Zhan, Weizhong Yang, Jiandong Zheng, Youxing Peng, Lin Xiao, Timothy M. Uyeki, Nijuan Xiang, John D. Klena, Zhibin Peng, Yu Wang, and Jigui Huang
- Subjects
Pulmonary and Respiratory Medicine ,Male ,medicine.medical_specialty ,China ,Adolescent ,Epidemiology ,Orthomyxoviridae ,Chest pain ,Real-Time Polymerase Chain Reaction ,Tachypnea ,disease burden ,Internal medicine ,Nasopharynx ,Pandemic ,Influenza, Human ,Sore throat ,Medicine ,Humans ,Intensive care medicine ,Child ,biology ,medicine.diagnostic_test ,business.industry ,seasonality ,Reverse Transcriptase Polymerase Chain Reaction ,Public Health, Environmental and Occupational Health ,Infant, Newborn ,Infant ,Original Articles ,biology.organism_classification ,medicine.disease ,Vaccination ,Hospitalization ,Pneumonia ,Infectious Diseases ,Child, Preschool ,Epidemiological Monitoring ,Female ,medicine.symptom ,business ,Chest radiograph ,influenza - Abstract
Background Published data on influenza in severe acute respiratory infection (SARI) patients are limited. We conducted SARI surveillance in central China and estimated hospitalization rates of SARI attributable to influenza by viral type/subtype. Methods Surveillance was conducted at four hospitals in Jingzhou, China from 2010 to 2012. We enrolled hospitalized patients who had temperature ≥37·3°C and at least one of: cough, sore throat, tachypnea, difficulty breathing, abnormal breath sounds on auscultation, sputum production, hemoptysis, chest pain, or chest radiograph consistent with pneumonia. A nasopharyngeal swab was collected from each case-patient within 24 hours of admission for influenza testing by real-time reverse transcription PCR. Results Of 17 172 SARI patients enrolled, 90% were aged
- Published
- 2013