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 […]

ABSTRACT Objective To demonstrate the impact of pneumococcal conjugate vaccine in Streptococcus pneumoniae carriage status in children younger than 5 years in Latin America and the Caribbean. Methods A systematic literature review was carried out on the direct and indirect effects of pneumococcal vaccine in the carriage status, after implementation in childhood immunization programs. Studies carried out in children younger than 5 years were selected from the PubMed® and Virtual Health Library databases, and data collected after implementation of pneumococcal […]

ABSTRACT Objective: To identify and compare behaviors of children during vaccination, who were prepared or not for the procedure using an instructional therapeutic play. Methods: A quasi experimental study, with quantitative approach of 60 children aged 3 to 6 years. The child’s reactions were recorded in a checklist. Data were analyzed using descriptive and inferential statistics and Fisher’s test. Results: The main reactions in the experimental group were stay still (25;83%) and spontaneously collaborate (24;80%). In the control group, the […]