Prehospital blood transfusion in Brazil: results of the first year of implementation in an emergency medical service.

Introduction: Hemorrhagic shock is the main cause of death in the prehospital environment, which highlights the need to standardize measures aiming at bleeding control and volume replacement in this environment. In Brazil, the first prehospital packed red blood cell transfusion service started in September 2020, in Bragança Paulista, state of São Paulo.

Objectives: Describe the trends and characteristics of patients who received prehospital transfusions prior to hospital treatment during the first year of operation.

COVID-19 Underreporting in Brazil among Patients with Severe Acute Respiratory Syndrome during the Pandemic: An Ecological Study.

Underreporting of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) infection is a global problem and might hamper Coronavirus Disease (COVID-19) epidemiological control. Taking this into consideration, we estimated possible SARS-CoV-2 infection underreporting in Brazil among patients with severe acute respiratory syndrome (SARS). An ecological study using a descriptive analysis of the SARS report was carried out based on data supplied by the Influenza Epidemiological Surveillance Information (SIVEP)-Flu (in Brazilian Portuguese, Sistema de Vigilância Epidemiológica da Gripe) in the period between January 2015 and March 2021.

COVID-19 pandemic evolution in the Brazilian Indigenous population.

Introduction: The COVID-19 pandemic has affected several neglected populations such as the Indigenous peoples, which have suffered a high impact from the pandemic.

Objectives: To analyze the impact on the health and disease process according to the COVID-19 evolution in the Brazilian Indigenous population.

Methods: Data was collected from press releases by the Health Ministry and a descriptive analysis of the numbers of Indigenous individuals infected with the SARS-CoV-2 in Brazil was carried out.