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Background: Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) pandemic has been challenging health care systems and made it necessary to use rapid and cost-effective testing methods, particularly in Emergency Department (ED) settings. Rapid Antigen Diagnostic Tests (RADTs) are a valid alternative to the gold standard RT-PCR, even in pediatric populations. This retrospective observational study has been conducted on a pediatric cohort afferent to the ED of the San Giovanni di Dio and Ruggi d'Aragona University Hospital in Salerno, tested at Point of Care with RADT Panbio® (Abbott), from September 1 st , 2021 to February 28 th , 2022, analyzing the positivity rate and clinical features of the cohort, also in reference to the rise of positive cases observed in the aforementioned period, and to the introduction in Italy of SARS-CoV-2 vaccination for children and teens on December 16 th , 2021., Methods: Data regarding access to the pediatric ED were extracted from the hospital's electronic database system. Parallel to this, we conducted a narrative literature search using PubMed database focusing on the use of RADT in pediatric ED and compared our data with the national pandemic trend., Results: During the observation period, 1890 patients were tested for the presence of SARS-CoV-2 with RADT and the 2.7% of children resulted positive, with a peak in January 2022. The main symptoms in positive patients were: fever (n = 34; 66.7%), cough (n = 11; 21.5%), headache (n = 4; 7.8%), chest pain (n = 2; 3.9%) and abdominal pain (n = 1; 2%). Patients were divided into three different age groups (A, B, C) basing on the different access timing to vaccination; no statistically significant difference was detected in the distribution of positivity in these three groups (p > 0.05). Number of positive children in group A was greater in the post-vaccine group. Our data are concordant with the national trend of the pandemic showing a fourth wave peak in January 2022., Conclusion: The use of RADT as a first point-of-care screening may be helpful, time-saving and cost-sparing. Our study shows that, during the observation period, most children admitted to the ED for fever, actually tested positive for SARS-CoV-2 with a statistically greater difference than negative children. Instead, number of patients admitted for cough was statistically higher among negative than positive ones, probably due to the circulation of other respiratory viruses in children., (© 2022. The Author(s).)

Background: COVID-19 pandemic has markedly affected emergency care, due to sudden limitation of health care capacity by general practitioners (GP) and urgent need for infection control strategies. We evaluated the activity of the Emergency Department (ED) during the national lockdown (March 8-April 30), as well as the outcomes of our infection control strategy., Results: Despite a reduction in access by one fifth, a proportion of febrile patients comparable to 2019 was seen (829/2492, 33.3% vs 4580/13.342, 34.3%, p = 0.3). Diagnostic swab for COVID-19 was performed in 25% of patients, especially in subjects with co-morbidities or multiple access. Six infected cases were identified, all presenting with febrile disease. Only two positive patients fulfilled the criteria for diagnostic swab provided by the Italian Health Authorities, because of close contact with suspected or confirmed cases. The rate of admission for febrile or respiratory conditions was higher than the same period of 2019 (33.4% vs 25.9%, p < 0.0001). None of the 105 health-care professionals working during the study time lapse exhibited anti-SARS-CoV-2 seroconversion. Among the 589 patients with information available, 54.9% declared no medical consultation at all prior to coming to ED, while only 40 (of which 27 with fever) had been examined by their GP before coming to ED. Nevertheless, 35.6% of the cases were already taking medications. None of the 9 patients requiring intensive care reported recent pediatric consultation, despite symptoms duration up to 30 days., Conclusion: Our results provide evidence that the reduced capacity of primary care facilities during the national lockdown may have caused a high rate of self-medication as well as a delayed provision of care in some patients. Identification of pediatric patients affected with SARS-CoV-2 infection remains a challenge because of the absence of reliable predictive factors. Finally, the use of specific triage centers, with dedicated pathways to diagnose SARS-CoV-2 infection, trace contacts and allow adequate care after swabs, is effective in preventing spreading of the infection.