Ecological biologists have suggested that there are a number of factors which influence the survival of a directly transmitted virus within a population. This model simulates the effects of some of these factors on the transmission and perpetuation of a virus in a human population.

For detailed instructions on using the program, take a look at the info window from the Virus model.

Download the StarLogoT source code for the Virus model:
Download virus

To run this file you need StarLogoT2002 for the Macintosh.
(download StarLogoT)

Click on one of the pictures to see a quicktime movie of the model:
Infectiousness = 50%, Duration = 3 weeks, Chance-recovery = 25%. Frame taken every 10 weeks. File size = 130K