Dispersive liquid-liquid microextraction for the determination of urinary 8-hydroxy 2'-deoxyguanosine in COVID-19 patients by gas chromatography-mass spectrometry.

COVID-19 disease has led to many deaths worldwide and early detection of people at a high risk of severe forms of this disease would greatly help physicians. The presence of oxidative stress biomarkers may help identify high-risk individuals early in the course of the disease. 8-Hydroxy-2'-deoxyguanosine (8-OHdG) is a widely used biomarker for assessing endogenous oxidative DNA damage.

Anxiety and Stress Seem Temporary during the Pneumonia COVID-19 Pandemic: A Survey on the Mental Health Status of Healthcare Workers.

Objective: To evaluate the presence/severity of depression, anxiety, and stress among health care workers (HCWs) who work on the specially allocated COVID-19 ward (Group A) and HCWs on the other wards (Group B).

Methods: This questionnaire-based study was conducted from January 25 to February 28, 2021. The mental status was assessed using the Persian version of the 42-item Depression, Anxiety, and Stress score (DASS-42).