1. CBC News, the economic impact of SARS. CBC news online, July. 2003, http://www.cbc.ca/news2/background/sars/economicimpact.html.
2. Costs to Britain of workplace fatalities and self-reported injuries and ill health, 2012/13. http://www.hse.gov.uk/statistics/pdf/cost-to-britain.pdf.
3. Global status report on communicable diseases or infectious diseases. http://www.who.int/entity/diseasecontrol_emergencies/guidelines/CD_Disasters_26_06.pdf.
4. The economic and social impact of emerging infectious disease. http://healthcare.philips.com/main/shared/assets/documents/bioshield/ecoandsocialimpactofemerginginfectiousdisease_111208.pdf.
5. World hepatitis day: think again, WHO 2014. http://www.who.int/campaigns/hepatitis-day/2014/en/.