1. 2009 H1N1 flu;Centers for Disease Control and Prevention
2. Prevention strategies for seasonal influenza in healthcare settings. 20 September 2010;Centers for Disease Control and Prevention
3. Epidemic- and pandemic-prone acute respiratory diseases: infection prevention and control for acute respiratory diseases in health-care facilities;World Health Organization,2008
4. Preventing transmission of pandemic influenza and other viral respiratory diseases. Personal protective equipment for healthcare personnel: update 2010;Institute of Medicine
5. Review of aerosol transmission of influenza A virus;Tellier;Emerg Infect Dis,2006