Burnout Syndrome in a Military Tertiary Hospital Staff during the COVID-19 Contingency.

(1) Background: Burnout syndrome (BOS) is defined as a psychological state of physical and mental fatigue associated with work. The COVID-19 pandemic greatly impacted the physical and mental wellbeing of health professionals. The objective of this work was to determine the impact on personnel, monitoring the frequency of BOS throughout the pandemic.

Epidemiology of hospitalized patients with COVID-19 in a tertiary care hospital.

Introduction: COVID-19, caused by the betacoronavirus SARS-CoV-2, has overwhelmed the world's health systems.

Objective: To describe the epidemiological characteristics of patients treated in a tertiary care hospital.

Methods: A retrospective cohort study of patients diagnosed with or suspected of having COVID-19 from March 23 to July 31, 2020 was conducted.

Blood system ABO antigens as risk factor for severity of SARS-CoV-2 infection.

Introduction: Whether there is an influence of the ABO blood system on SARS-CoV-2 infection is unknown.

Objective: To analyze if there is an association between the ABO system antigens and susceptibility to and severity of SARS-CoV-2 infection.

Material And Methods: The frequency of ABO system antigens was compared in 73 confirmed cases of SARS-CoV-2 infection and 52 clinically healthy donors.