Objectives: This study aimed to assess the efficacy of oseltamivir Azithromycin combination therapy for prevention of Influenza A H1N1 pdm09 infection associated complications and early relief of influenza symptoms.Methods: In a retrospective observational cohort study, Influenza A H1N1 pdm09 infection hospitalized patients were identified and divided into two groups based on the initial therapy. ...Group AV AZ patients were associated with shorter length of hospitalization 6.58 vs 5.09 days P value