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Inna Bleicher; Einav Kadour-Peero; Lena Sagi-Dain (et al.)
Simon R. Procter; Kaja Abbas; Stefan Flasche (et al.)
The COVID-19 pandemic has disrupted the delivery of immunisation services globally. Many countries have postponed vaccination campaigns out of concern about infection risks to the staff delivering vaccination, the children being vaccinated, and their families. The World Health Organization recommends considering both the benefit of preventive campaigns and the risk of SARS-CoV-2 transmission when making decisions about campaigns during COVID-19 outbreaks, but there has been little quantification of the risks. This study modelled excess SARS-CoV-2 infection risk to vaccinators, vaccinees, and their caregivers resulting from vaccination campaigns delivered during a COVID-19 epidemic. It used population age structure and contact patterns from three exemplar countries (Burkina Faso, Ethiopia, and Brazil). It combined an existing compartmental transmission model of an underlying COVID-19 epidemic with a Reed-Frost model of SARS-CoV-2 infection risk to vaccinators and vaccinees. It explored how excess risk depends on key parameters governing SARS-CoV-2 transmissibility, and aspects of campaign delivery such as campaign duration, number of vaccinations, and effectiveness of personal protective equipment (PPE) and symptomatic screening.
A. Deyà-Martínez; A. García-García; E. A. Gonzalez-Navarro (et al.)
Information regarding inborn error of immunity (IEI) as a risk factor for severe COVID-19 is scarce. This study aimed to determine if paediatric patients with moderate/severe IEI got COVID-19 at the same level as the general population, and to describe COVID-19 expression. It included patients with moderate/severe IEI aged 0–21 years old: cross-sectional study (June2020) to determine the prevalence of COVID-19; prospective study (January2020-January2021) including IEI patients with COVID-19. Assays used: nasopharyngeal swab SARS-CoV-2 PCR and SARS-CoV-2-specific immunoglobulins.
Chloe A. Teasdale; Luisa N. Borrell; Yanhan Shen (et al.)
Kimberly K. Walker; Katharine J. Head; Heather Owens (et al.)
Serkan Catma; Diana Reindl
Mariangela F. Silveira; Cristian T. Tonial; Ana Goretti K. Maranhão (et al.)
There is widespread concern that disruption to health services during the COVID-19 pandemic has led to declines in immunization coverage among young children, but there is limited information on the magnitude of such impact. High immunization coverage is essential for reducing the risk of vaccine preventable diseases.This study used data from two nationwide sources covering the whole of Brazil. Data from the Information System of the National Immunization Program (SIPNI) on the monthly number of vaccine doses administered to young children were analyzed. The second source was a survey in 133 large cities in the 27 states in the country, carried out from August 24–27. Respondents answered a question on whether children under the age of three years had missed any scheduled vaccinations during the pandemic, and available vaccination cards were photographed for later examination.
Dan M. Cooper; Behnoush Afghani; Carrie L. Byington
Metin Yigit; Aslinur Ozkaya-Parlakay; Emrah Senel
UNICEF Innocenti's Children and COVID-19 Library is a database collecting research from around the world on COVID-19 and its impacts on children and adolescents.
Read the latest quarterly digest on violence against children and women during COVID-19.
The first digest covers children and youth mental health under COVID-19.
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COVID-19 & Children: Rapid Research Response