Grade levels
 10 - 12
 Contains
 11 pages
 subjects
 Population development of seals | Monitoring of seals | Airport theory for viruses | Interpreting 3D bar charts | Evaluating scientific theory
 Description
 The airport theory is an attempt to explain the development of virus outbreaks that always start from the same region. Students learn about different monitoring methods and the difficulties associated with them. They then test the airport model using the Morbillivirus outbreaks of 1988 and 2002.