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A retrospective study on complete blood count (CBC) with differential results of patients who presented to the fever clinic of Tongji Hospital with symptoms of COVID-19-like illness between February 1, 2020 and February 20, 2020 was performed through case reviewing Inclusion criteria were fever with a body temperature above 37 3 degreesC, accompanied or not accompanied by cough, chest tightness, muscle ache, shortness of breath and diarrhea Patients with hematopathy, cancer and sepsis were excluded The SARS-CoV-2 reverse transcriptase polymerase chain reaction (RT-PCR) testing of throat swab was performed in the laboratory of Tongji Hospital These patients with COVID-19-like symptoms were divided into two groups Patients diagnosed with COVID-19 according to the WHO interim guidance and confirmed by RT-PCR testing were included in the SARS-CoV-2-positive patient group (SPPG) Patients with two or more consecutive negative RT-PCR test results were included in the SARS-CoV-2-negative patient group (SNPG) Patients with co-infection of SARS-CoV-2 and other respiratory viruses including influenza A/B, respiratory syncytial virus and adenovirus were also excluded in SPPG Sysmex XN-9000 hematology analyzer was used to obtain the CBC with differential results for patients in each group CBC with differential results at the request of clinicians at the initial evaluations was recorded along with age and gender for each patient Decreased WBC*LYM was observed in SARS-CoV-2-infected patients compared with SARS-CoV-2-negative patients with suspected symptoms in this study WBC*LYM can be used as a supplementary parameter to help clinicians in their first contact with suspected patients awaiting SARS-CoV-2 RT-PCR results
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Clinical_Chemistry_and_Laboratory_Medicine
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Decreased \'WBC*LYM\' was observed in SARS-CoV-2-infected patients from a fever clinic in Wuhan. (Special Issue: Critical role of laboratory medicine in the global response to the COVID-19 pandemic.)
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