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  • Title: [Characterization of human coronavirus 229E infection among patients with respiratory symptom in Beijing, Oct-Dec, 2007].
    Author: Lu RJ, Zhang LL, Tan WJ, Zhou WM, Wang Z, Peng K, Ruan L.
    Journal: Zhonghua Shi Yan He Lin Chuang Bing Du Xue Za Zhi; 2009 Oct; 23(5):367-70. PubMed ID: 20387489.
    Abstract:
    OBJECTIVE: To know the etiology, prevalence, clinical symptoms associated with the infection of the HCoV-229E in the respiratory specimens sampled from adult patients in Beijing. METHODS: 158 nasopharyngeal swab specimens were collected from adult patients with fever in Beijing between October and December, 2007. We performed the screening of HCoV-229E by real-time RT-PCR and sequencing of HCoV-229E gene fragments derived from conventional PCR. At meantime, we also screened the HCoV-229E positive samples for the co-infection with HCoV-NL63, HCoV-HKU1 and HMPV by real-time RT-PCR. Finally, demographic and clinical data associated with HCoV-229E infection were examined retrospectively. RESULTS: We detected 103 (62.5%) of 158 specimens were positive for HCoV-229E by real-time RT-PCR. When tested for other respiratory viruses, 26 HCoV-229E positive patients were found to be co-infected with other viruses. Of which HCoV-NL63 was observed in 3 specimens (11.5%), HCoV-HKU1 in 3 (11.5%) and HMPV in 20 (76.9%). The main clinical manifestations were noted as: headache (in 70.9%), sore throat (69%), chills (68%), cough (33%), sputum (21.3%), rhinorrhea (21.4%), nasal obstruction (16.5%), and a few of patients were visible as vomiting (6.8%), dyspnea (3.9%), diarrhea (in 1.9%). The rate of HCoV-229E infection in adult patients was found no relative with age and gender. CONCLUSION: Our data showed that HCoV-229E is a common and important pathogen in adult patients with acute respiratory symptoms but usually resulted in milder influenza-like illnesses. There might have a local outbreak of HCoV-229E infection in Beijing, Oct-Dec, 2007.
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