Launching COVID-19 vaccination in Saudi Arabia: Lessons learned, and the way forward.

The Severe Acute Respiratory Syndrome Coronavirus 2 (SARSCoV- 2) emerged in Wuhan City, China. The SARS-CoV-2 crossed borders and quickly transformed into a "Public health emergency of international concern". Countries around the globe are in the race to achieve herd immunity. We describe the steps taken by Saudi Arabia to achieve this goal.

Chronic Invasive Fungal Rhinosinusitis in Immunocompetent Patients: A Retrospective Chart Review.

Objective: We report cases of Chronic Invasive Fungal Sinusitis (CIFS) in patients considered as immunocompetent at tertiary care center (King Faisal Specialist Hospital), to analyze their clinical, biological, radiological features, and management. Material and methods: A retrospective chart review of CIFS in immunocompetent patients. The inclusion criteria as the following: immunocompetent patients of any age with histopathological findings of CIFS. Immunocompromised patients, acute Invasive Fungal Sinusitis (IFS), non-invasive fungal rhinosinusitis, and no positive histological findings were excluded. Results: Seventeen (17) patients were included. The species isolated included: Aspergillus (most frequent) & Mucor. Surgical treatment approaches were described. Complications reported include CSF leak, blindness, recurrence, and death. Conclusions: Early diagnosis and management of CIFS improve clinical outcomes.