GIDEON Guide to Cross Border Infections summarizes the status of 2,919 Infectious Disease events which involved two-or-more countries.Charts are designed to quickly scan and compare cross border events according to year, acquisition and origination country, setting, case, deaths and notes with linked references.There are essentially two scenarios for cross-border infection:A traveler or group of travelers from one country acquires infection in another country.An infected or contaminated disease vehicle from one country is responsible for sporadic cases or outbreaks in another country. The vehicle can be an animal, food, cosmetic product, etc.Chapters are arranged alphabetically, by travel related infectious disease, and include:Disease nameDisease synonymsCross Border Events: An overview of the impact of individual diseases as they move through multiple countriesTravel-related Incidents: Charts which list details of countries involved, setting, extent and other details of each event.This is one in a series of GIDEON ebooks which explore all individual infectious diseases, drugs, vaccines, outbreaks, surveys and pathogens in every country of the world. Data are based on the GIDEON web application (gideononline.com) which relies on standard textbooks and peer-review journals, supplemented by an ongoing search of the medical literature.