Usama E. Abu Elhassan

Outcomes of patients with Severe Acute Respiratory Infections (SARI) admitted to the intensive care unit: results from the Egyptian Surveillance Study 2010-2014

M. Sherif, Usama E. Abu Elhassan, S. Mohamed, 2020, Multidisciplinary respiratory medicine.

Clinical characteristics and outcomes of patients with severe acute respiratory infections (SARI): results from the Egyptian surveillance study 2010–2014

A. Hatem, Usama E. Abu Elhassan, S. Mohamed, 2019, Multidisciplinary Respiratory Medicine.

Impact of viral co-infection on clinical outcomes and mortality of COVID-19 patients: a study from Saudi Arabia

M. Alshehri, Usama E. Abu Elhassan, A. Hawan, 2023, Multidisciplinary respiratory medicine.

Utility of the 4C ISARIC mortality score in hospitalized COVID-19 patients at a large tertiary Saudi Arabian center

Usama E. Abu Elhassan, Mohammed A. AlFlan, A. Hawan, 2023, Multidisciplinary respiratory medicine.