ABSTRACT Background Child immunization plays a critical role in preventing numerous diseases. However, the COVID-19) pandemic has profoundly disrupted healthcare systems globally, including routine child vaccination programs. Objective To provide an overview of the reduction in vaccine coverage among infants and children during the pandemic and analyze the potential impacts of decreased child immunization during this period. Methods A comprehensive search was conducted using the MeSH terms “Child,” “Vaccination”, and “COVID-19,” along with their synonyms. Systematic reviews published between March […]

Highlights Lymphoproliferative disorders were associated with lower vaccine response rates than other disorders. Previous exposure to COVID-19 before vaccination was associated with higher antibody values. The duration of anti-B-lymphocyte therapy related to vaccination had an effect on response rates. The incidence of adverse effects of patients with onco-hematological diseases was similar to that of the healthy population.   ABSTRACT Objective To evaluate the influence of onco-hematological pathologies on seroconversion to COVID-19 vaccines, in addition to the effects of chemotherapy treatment […]

ABSTRACT Objective So far, at least 18 different severe acute respiratory syndrome coronavirus-2 vaccines have been approved. Until October 2022, 12.8 billion doses had been administered all over the world. Vaccination of high-risk groups and healthcare professionals was initially prioritized. This cross-sectional survey aimed to investigate the occurrence of vaccine side effects, as well as the incidence of COVID-19 among vaccinated healthcare professionals. Methods A survey was structured and shared with healthcare professionals using a digital platform to collect data […]

RESUMO Objetivo Demonstrar o impacto das vacinas pneumocócicas conjugadas no estado de portador de Streptococcus pneumoniae em crianças menores de 5 anos na América Latina e no Caribe. Métodos Foi realizada revisão sistemática da literatura sobre os efeitos diretos e indiretos da vacina pneumocócica no estado de portador em crianças menores de 5 anos, após a implantação da vacina nos calendários de imunização infantil. A partir de dados da PubMed®e da Biblioteca Virtual da Saúde, foram selecionados estudos de portador […]

RESUMO Objetivo: Identificar e comparar os comportamentos das crianças durante a vacinação, preparadas ou não para o procedimento com o brinquedo terapêutico instrucional. Métodos: Estudo quasi experimental, de abordagem quantitativa, com 60 crianças entre 3 e 6 anos. As reações da criança foram registradas em um formulário do tipo checklist. Os dados foram analisados por estatística descritiva e inferencial, e pelo teste de Fisher. Resultados: As principais reações no grupo experimental foram ficar quieta (25;83%) e colaborar espontaneamente (24;80%). No […]