1. Emergence of a novel swine-origin influenza A (H1N1) virus in humans;Novel Swine-Origin Influenza;N Engl J Med,2009
2. Update: infections with a swine-origin influenza A (H1N1) virus – United States and other countries;Centers for Disease Control and Prevention (CDC);MMWR Morb Mortal Wkly Rep,2009
3. Influenza A (H1N1) – update 14. Geneva: World Health Organization, 2009. Available at: .
4. Clinical aspects of pandemic influenza A (H1N1) virus infection;Writing Committee of the WHO Consultation on Clinical Aspects of Pandemic (H1N1) 2009 Influenza;N Engl J Med,2009
5. Characteristics of children hospitalized for pandemic (H1N1) 2009, Malaysia;Muhammad Ismail;Emerg Infect Dis,2009