It is my pleasure to invite you to join us for the 16th Conference of the International Society of Travel Medicine (CISTM16) on 5-9 June 2019 in Washington, D.C., United States of America.

'Travel Medicine in a Changing Climate' was chosen to be the theme of this conference, recognizing the impact of travel on the environment, and how we must accommodate for these changes in our everyday work as travel medicine professionals. The changes in our earth's climate not only increases forced migratory travel, but has also an impact on vector-borne diseases and air-pollution related diseases. It is the responsibility of travel medicine professionals to promote sustainable travel and ecotourism, and render our travellers sensitive to environmental issues.