1. World Health Organization . Guide for public health emergency contingency planning at designated points of entry. World Health Organization, 2012.
2. EU SHIPSAN . SHIPSAN ACT: the impact on maritime transport of health threats due to biological, chemical and radiological agents, including communicable diseases. n.d. Available: http://www.shipsan.eu/
3. European Union AIRSAN project . AIRSAN 2013-2015. 2013. Available: https://www.airsan.eu/
4. European Union Healthy Gateways Joint Action . EU healthy gateways joint action preparedness and action at POE (ports, airports, ground crossings). 2018. Available: https://www.healthygateways.eu/
5. World Health Organization . International health regulations 2005. World Health Organization, 2008.