| Summary: | Objective: We aimed to describe the presentations and biochemical characteristics of sepsis-like syndrome (SLS) in infants aged <2 months who tested positive for SARS-CoV-2-in comparison to those in the same age group who were SARS-CoV-2-negative.Background: COVID-19 presents with a spectrum of manifestations, and children seem to have a favorable clinical course compared to other age groups. Limited data are available for symptomatic infants.Design: This was a case-controlled single-institution retrospective study on infants aged <2 months admitted with SLS between 1 April 2020 and 1 July 2020. These infants were divided into 2 groups: Group 1 (n = 41), infants with positive nasal/oropharyngeal swab polymerase chain reaction (PCR) results for SARS-CoV-2; and Group 2 (n = 40), infants with negative PCR results for SARS-CoV-2 (control group). Details between both groups were reviewed and analyzed.Outcome: The clinical and laboratory data for SARS-CoV-2 -positive infants who presented with SLS may differ from those for infants with SLS who tested negative for SARS-CoV-2.Results: Overall, 105 infants were admitted with clinical sepsis: 41 were SARS-CoV-2-positive, and 64 were negative. Fever was present in 90% of SARS-CoV-2-positive infants vs. 80% of the negative group. SARS-CoV-2-positive infants had a higher incidence of nasal congestion and cough (39 and 29%, respectively) compared to the SARS-CoV-2-negative group (20 and 3%, respectively) (P < 0.05). Poor feeding and hypoactivity occurred more frequently in the SARS-CoV-2-negative group (58 and 45%, respectively) than in the SARS-CoV-2-positive group (22 and 12%, respectively, P < 0.004). Sepsis workup, including lumbar puncture, was performed in 67% and partial septic workup was performed in 23% of the SARS-CoV-2-positive infants. Full sepsis workup was performed in 92% of the SARS-CoV-2-negative group. Cerebrospinal fluid (CSF) cultures were negative in 26/27SARS-CoV-2-positive infants (an infant had Klebsiella meningitis). All the SARS-CoV-2-negative infants had negative CSF cultures. Blood culture was negative in both groups. Urine culture showed bacterial growth in 9 infants with SARS-CoV-2-negative sepsis.Conclusions: Our study showed that respiratory symptoms (cough and nasal congestion) were more prominent in the SARS-CoV-2-positive group, while poor feeding and hypoactivity were reported more frequently in the negative group. However, the clinical differentiation between COVID-19 disease and sepsis in such age groups is difficult. Therefore, screening young infants with SLS for SARS-CoV-2- is necessary during this pandemic.
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