Background: The outbreak of coronavirus disease 2019 (COVID-19) caused by the severe acute respiratory syndrome\ncoronavirus 2 (SARS-CoV-2) is currently the peak season of common respiratory viral infections. However, the clinical\nsymptoms of most SARS-CoV-2 infected patients are not significantly different from those of common respiratory viral\ninfections. Therefore, knowing the epidemiological patterns of common respiratory viruses may be valuable to improve\nthe diagnostic and therapeutic efficacy of patients with suspected COVID-19, especially in Southwest China (a mild\nepidemic area).\nMethods: A total of 2188 patients with clinically suspected of COVID-19 in Southwest China were recruited from\nJanuary 21 to February 29, 2020. Nasopharyngeal swabs, throat swabs and sputum specimens were collected to detect\nSARS-CoV-2 by using real-time reverse transcription-polymerase chain reaction (RT-PCR) and other 12 viruses via PCR\nfragment analysis combined with capillary electrophoresis. Clinical characteristics and laboratory test findings were\nacquired from electronic medical records. All data were analyzed to unravel the epidemiological patterns.\nResults: Only 1.1% (24/2188) patients with suspected COVID-19 were eventually confirmed to have SARS-CoV-2\ninfection,.........................
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