Impact of influenza vaccination history in the clinical course of older adults hospitalized with COVID-19.

Background And Purpose: Some studies have shown that influenza vaccination is associated with a lower risk of SARS-CoV-2 infection; in patients with COVID-19 infection, admission to intensive care is reduced, with less need for mechanical ventilation, shorter hospital stays, and reduced mortality. This study aimed to determine if a history of annual influenza vaccination impacts the clinical course of SARS-CoV-2 infection during hospitalization.

Methods: This was an observational, prospective, cohort study of patients older than 65 admitted to the COVID-19 unit from January to June 2021.

[Abdominal pseudocyst in a patient with ventriculoperitoneal shunt. A case report].

Since 1905, the abdominal cavity has been used for absorption of cerebrospinal fluid in patients with hydrocephalus. Among complications in its use is formation of abdominal pseudocysts. We describe the case of a patient with hydrocephalus who developed an abdominal pseudocyst.