Infectious diseases are easily spread between countries and continents, and infections like SARS and avian flu shows that surveillance and control of epidemics are of international importance.

Infections in the individual both travelers and migrants using knowledge of infections in different regions of the world. The course will give an introduction to major infectious diseases like malaria, tuberculosis, HIV, yellow fever and others with emphasis on geographical distribution, difference in morbidity and mortality between different parts of the world, clinical signs and symptoms, diagnosis, prevention and control. Advice to travelers will be discussed and appropriate investigations in immigrants will be reviewed. Emphasis will be on the difference in incidence, prevalence, morbidity and mortality between countries and continents. Appropriate control programs will be discussed, both at national and international level.