[Clinical and epidemiological differences and similarities of viral pneumonias in two pandemics].

Background: In a decade, we faced two pandemic viruses, influenza A H1N1pdm09 and SARS CoV-2, whose most serious manifestation is pneumonia.

Aim: To compare the clinical, epidemiological and management aspects of pneumonias caused by each pandemic virus in adults requiring hospitalization.

Material And Methods: Comparative, observational study carried out at a regional Chilean hospital, including 75 patients with influenza A H1N1pdm09 prospectively studied in 2009 and 142 patients with SARS-CoV-2 studied in 2020.

[Features of patients admitted with COVID-19 to a Chilean regional hospital during the first stages of the pandemic].

Background: The COVID-19 pandemic posed a great strain in health services.

Aim: To describe the epidemiological and clinical features of patients with SARS-CoV-2 admitted to a regional hospital in southern Chile between April and August 2020.

Material And Methods: Clinical records of all hospitalized patients with RT-PCR (+) for SARS-CoV-2 were retrospectively analyzed.