Exposure to sulfur mustard increases the risk for mortality in patients with COVID-19 infection: A cohort study.

Objective: This study aims to assess the prognosis of inpatients with COVID-19 infection who have a history of sulfur mustard exposure.

Methods: We started a cohort study in October 2020 and ended in May 2021 on inpatients with COVID-19 infection who had been admitted to university healthcare centers. The analytic sample included 960 inpatients having COVID-19 infection (192 with; and 768 without sulfur mustard exposure).

Seizure is a rare presenting manifestation of COVID-19.

Objective: The aim of the current study was to investigate whether seizure is among the presenting manifestations of COVID-19.

Methods: All patients referred to emergency rooms anywhere in Iran between 12 and 25 April 2020 and who were sufficiently ill to require hospital admission with COVID-19, confirmed by a positive COVID-19 test, were studied. Data on the presenting manifestations were collected.