The aim of the present study is to describe epidemiologic and clinical presentation, clinical complications and outcomes of patients diagnosed with influenza A infection (H1N1) during a one-year period. We retrospectively investigated 300 patients with influenza-like clinical presentation during the period January 2015 – January 2016 in King Khalid Hospital, Saudi Arabia. Fifty-four patients out of 300 (18%) were diagnosed with H1N1 virus infection; their age ranged from 7 months to 85 years, with a mean age of 25 years. Among them, 34 (63%) were males and 20 (37%) were females, with a M:F ratio of 1.70. The findings of this study show the great spread of influenza A outside the main holy cities of Saudi Arabia, and underline the absolute need for strict prevention strategies including vaccinations, public awareness and hygiene measures.

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Background: Deep venous thrombosis (DVT) is a serious complication of various medical conditions including acute stroke. Objectives: We aimed to analyze the association between stroke toward hypertension (HP) and deep vein thrombosis (DVT) in northern Saudi palpitations. Methods: Cross-sectional study was performed, all incident stroke events during follow-up were identified by searching the hospital discharge diagnosis registry, and previous patient's medical records. Also, we conducted a questionnaire survey among population of North Saudi Arabia including 15 cities. Results: Our study showed that HP, and DVT which is definitely associated with stroke occurs only in approximately 5% of patients and significantly affects mortality among population from northern Saudi. Conclusion: Severe HP events with no stroke incidence is associated with increased risk of DVT especially in Male and age group above 55 years. Therefore, it may be reasonable to provide this group of patients with additional care and proper DVT prophylaxis in order to minimize the risk of stroke. Also, those patients with HP should be managed and followed regularly especially elderly patients who are at risk.