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2. Multistate Point-Prevalence Survey of Health Care–Associated Infections
3. National hospital ambulatory medical care survey: 2011 emergency department summary tables, 2011. Available at: http://www.cdc.gov/nchs/data/ahcd/nhamcs_emergency/2011_ed_web_tables.pdf. Updated 2015. Accessed 15 November 2015.
4. Antibiotic resistance threats in the United States, 2013. Available at: http://www.cdc.gov/drugresistance/pdf/ar-threats-2013-508.pdf . Updated 2013. Accessed 15 November 2015.
5. Notes from the field: Chikungunya virus spreads in the Americas—Caribbean and South America, 2013–2014;Fischer;MMWR Morb Mortal Wkly Rep,2014