The novel Coronavirus disease 2019 continues to be a worldwide pandemic. Yet, little is still known about the biological features of this emergent infection in children. In this prospective study, we collected 68 children infected with SARS-COV-2 from March 2020 to May 2020, in Marrakesh, Morocco. No severe cases were observed in this cohort, and 66% of the patients were asymptomatic. The main laboratory abnormalities were hematological, as we found Leucopoenia in 4.4% of the cases, hyperleukocytosis in 1.6%. Neutropenia was found in 5 patients (7%) and only 2 cases (3%) had Lymphopenia. The inflammation and coagulation biomarkers were normal in the majority of the cases, as for liver and kidney function. Lactate dehydrogenase (LDH) serum levels were elevated in 8 cases (11.67%). The COVID-19 in children seems to have mild course and better outcome than in adults, which impacts the laboratory findings in this category. More studies must be conducted to learn more about the laboratory abnormalities in pediatric COVID-19.
Objectives: This study aims to analyze the epidemiological and clinical features of coronavirus disease 19 (COVID-19) in a Moroccan pediatric population. Methods: A retrospective study of a cohort of 74 children with RT-PCR confirmed COVID-19. We collected information on clinical and laboratory features of all children (age <18 years) admitted between 2 March, 2020 and 1 April, 2020. Results: The mean (SD) age of the 74 children (40 girls) was 7 (1.5) years. The mean (SD) time from illness onset to diagnosis was 2 (1) days. 54 children were asymptomatic, while eight had fever, and five cases had cough. Recovery was after a mean (SD) of 12 (1) days. Conclusions: COVID-19 was mostly mild in the pediatric population in Morocco.
Since the outbreak of the COVID-19 pandemic, a significant decrease in non-COVID-19 respiratory illnesses were observed, suggesting that the implementation of measures against COVID-19 affected the transmission of other respiratory pathogens. The aim of this study was to highlight the changes in the epidemiology of respiratory pathogens in children during the COVID-19 pandemic. All children with Severe Acute respiratory illness admitted to the pediatric departments between January 2018 and December 2021 with negative COVID-19 PCR, were enrolled. The detection of respiratory pathogens was made by the Film Array Respiratory Panel. A total of 902 respiratory specimens were tested. A significantly lower positivity rate during the COVID-19 period was found (p = 0.006), especially in infants under 6 months (p = 0.008). There was a substantial absence of detection of Respiratory Syncytial Virus and Influenza A during the winter season following the outbreak of the pandemic (p < 0.05; p = 0.002 respectively). An inter-seasonal resurgence of Respiratory Syncytial Virus was noted. Human Rhinovirus was detected throughout the year, and more prevalent in winter during COVID-19 (p = 0.0002). These changes could be explained by the impact of the implementation of preventive measures related to the COVID-19 pandemic on the transmission of respiratory pathogens in children.
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