SARS-CoV-2 infection in pediatric population before and during the Delta (B.1.617.2) and Omicron (B.1.1.529) variants era (original) (raw)
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Clinical features of infants with SARS-CoV-2 infection: a systematic review and meta-analysis
Annals of Palliative Medicine
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection leads to coronavirus disease 2019 (COVID-19) (1), which has become a pandemic since it was discovered in December 2019. Multiple variants of SARS-CoV-2 have subsequently emerged, with some variants of concern (such as Alpha, Beta, Delta, and Omicron) varying in their transmissibility and virulence (2-4). The Alpha variant is more transmissible than the wild-type of SARS-CoV-2 among children (5). A recent study found that children may play an important role in transmission of the Delta variant compared with previously circulating SARS-CoV-2 variants (6). A large cohort study found that individuals aged 10-19 years infected with the Omicron
Frontiers in Pediatrics
BackgroundIn the midst of successive waves of SARS-CoV-2 variants, the B.1.1.529 (omicron) variant has recently caused a surge in pediatric infections and hospitalizations. This study aimed to describe and compare the symptoms, explorations, treatment and evolution of COVID-19 in hospitalized children during the successive B.1.617.2 (delta) and B.1.1.529 (omicron) waves.MethodsThis observational study was performed in the Pediatric Pulmonology Department of a University Hospital in Paris, France. All hospitalized children aged between 0 and 18 years who tested positive for SARS-CoV-2 using reverse transcription polymerase chain reaction (RT-PCR) in nasopharyngeal swabs from July 15th to December 15th 2021 (delta wave), and from December 15th 2021 to February 28th 2022 (omicron wave) were included.ResultsIn total, 53 children were included, 14 (26.4%) during the delta wave and 39 (73.6%) during the omicron wave (almost three times as many hospitalizations in half the time during the ...
A literature review of 2019 novel coronavirus (SARS-CoV2) infection in neonates and children
Pediatric Research, 2020
At the time of writing, there are already millions of documented infections worldwide by the novel coronavirus 2019 (2019-nCoV or severe acute respiratory syndrome coronavirus 2 (SARS-CoV2)), with hundreds of thousands of deaths. The great majority of fatal events have been recorded in adults older than 70 years; of them, a large proportion had comorbidities. Since data regarding the epidemiologic and clinical characteristics in neonates and children developing coronavirus disease 2019 (COVID-19) are scarce and originate mainly from one country (China), we reviewed all the current literature from 1 December 2019 to 7 May 2020 to provide useful information about SARS-CoV2 viral biology, epidemiology, diagnosis, clinical features, treatment, prevention, and hospital organization for clinicians dealing with this selected population.
2022
Since the start of SARS-CoV-2 pandemic, children aged ≤12 years have always been defined as underrepresented in terms of SARS-CoV-2 infections’ frequency and severity. By correlating SARS-CoV-2 transmission dynamics with clinical and virological features in 612 SARS-CoV-2 positive patients aged ≤12 years, we demonstrated a sizeable circulation of different SARS-CoV-2 lineages over the four pandemic waves in paediatric population, sustained by local transmission chains. Age <5 years, highest viral load, gamma and delta clades positively influence this local transmission. No correlations between COVID-19 manifestations and lineages or transmission chains are seen, except for a negative correlation between B.1.1.7 and hospitalization.
Particularities of the Evolution of SARS-CoV-2 Infection in Children
2021
IntroductionSARS-CoV-2 virus infection was first reported in China in late 2019 and has spread rapidly around the world. There is little information about the peculiarities of COVID-19 infection in children because the number of infected children was small, around 2% of all diseases.MethodsIn this retrospective study, we recruited 143 children infected with SARS-CoV-2 between March and October 2020, in Sibiu, Romania. RT-PCR tests, serum SARS-CoV-2 IgG/ IgM antibodies, lung radiography, biochemical and hematological tests were performed during the hospitalization.ResultsOf the 143 children selected in the study, 47.0% were male and 53% were female. At admission, all children tested positive for SARS-CoV-2, collecting nasopharyngeal exudate.Clinical manifestations included: cough in 75.52% of cases, fever in 55.94% of cases, nasal obstruction in 50.34% of cases, rhinorrhea in 38.46% of cases, muscle pain in 26.57% of cases, fatigue in 17.48% of cases, diarrhea and headache in 14.68% ...
Characterizing the Severity of SARS-CoV-2 Variants at a Single Pediatric Center
Frontiers in Medicine
Since March 2020, SARS-CoV-2 has plagued the world with COVID-19 and individuals of all ages have experienced varying symptoms of disease. Older adults were experiencing more severe disease compared to children and were prioritized by vaccination efforts. While biologic therapies and vaccinations were implemented, there were changes in public health restrictions with subsequent surges resulting in more infected children. During these surges there was a rise of different SARS-CoV-2 variants with the dominant variant initially alpha (B.1.1.7 and other Pango lineages) and epsilon (B.1.427/B.1.429) in early 2021 and a dramatic shift to delta (B.1.617.2 and other Pango lineages) by mid-summer 2021. In this study we aimed to characterize the clinical severity and host factors associated with disease by SARS-CoV-2 variant and evaluate if there are differences in disease severity by circulating variant. We retrospectively included all individuals 0–25 years of age who presented to our cente...
BackgroundInfections by SARS-CoV-2 variants of concern (VOCs) might affect children and adolescents differently than earlier viral lineages. We aimed to address five questions about SARS-CoV-2 VOC infections in children and adolescents: i) symptoms and severity, ii) risk factors for severe disease, iii) the risk of becoming infected, iv) the risk of transmission and v) long-term consequences following a VOC infection.MethodsWe carried out a systematic review. We searched the COVID-19 Open Access Project database up to 1 March 2022 and PubMed up to 9 May 2022 for observational epidemiological studies about alpha, beta, gamma, delta and omicron VOCs among 0 to 18 year olds. We synthesised data for each question descriptively and assessed the risks of bias at the outcome level.ResultsWe included 53 articles, of which 47% were from high-income countries and none were from low-income countries, according to World Bank categories. Most children with any VOC infection presented with mild d...
SARS-CoV-2 Infection in Children and Newborns: A Systematic Review
A recent outbreak of a novel Coronavirus responsible for a Severe Acute Respiratory Syndrome (SARS-CoV-2) is spreading globally. The aim of this study was to systematically review the existing evidence on SARS-CoV-2 infections in pediatric age.An electronic search was conducted in PubMed database. Papers published between the 1st of January and the 7th of April, 2020 including children aged 0-18 years were selected. Fifty-two studies and two reviews were included, with a total sample size of 4.612 children (2.366 males, 51.3%, weighted mean age 7 years). Patients showed mainly mild (1285/2679, 48.5%) and moderate (1035/2679, 39.1%) signs of the infection. Less than 2% of children were admitted to the Pediatric Intensive Care Unit. The most commonly described symptoms were fever (49.2%) and cough (44.1%). Laboratory findings were often unremarkable. Children underwent a chest CT-scan in 85.7% of all cases, and 36% resulted normal. Overall, the estimated mortality was 0.07%. A higher ...