[Prevalence of burnout in healthcare workers during the COVID-19 pandemic and associated factors. A cross-sectional study].

The COVID-19 pandemic generated an overload of the health system and mental, emotional, and physical exhaustion of workers. Previous studies have reported elevated levels of burnout syndrome in healthcare workers. The objective of the study was to estimate the prevalence and associated factors of burnout syndrome in healthcare workers.

[Long covid: cross sectional study].

Introduction: Coronavirus disease 2019 (COVID-19) is a public health problem worldwide. After 3 weeks of the onset of the disease, between 10-87% of patients persist with symptoms. The objective of the study was to evaluate the persistence of symptoms in patients with COVID-19, the associated factors, and to explore the patients' perception of the disease.

[Clinical characteristics of coronavirus disease 2019 in a single center of Argentina. Retrospective cohort].

Coronavirus disease (COVID-19) became a priority health problem. The objective was to evaluate the clinical characteristics, evolution and severity of COVID-19 in a third-level hospital, in the province of Buenos Aires, Argentina. We conducted a retrospective cohort of 101 patients with COVID-19 from March 3 to June 21, 2020.

Frontal fibrosing alopecia and lichen planopilaris in HLA-identical mother and daughter.

Frontal fibrosing alopecia (FFA) is a lymphocyte-mediated scarring alopecia thought to be a variant of lichen planopilaris (LPP). We present a 67-year-old woman with frontal fibrosing alopecia whose daughter was diagnosed to have lichen planopilaris. Both patients had identical human leukocyte antigen (HLA) D types, supporting a phenotypical relationship between the two clinical entities.