This dynamic map movie shows outbreaks of salmonella in the u.s. population age 65 and older for 2002.

Salmonella infections exhibited distinct seasonal trend where low endemic levels are followed by periods of 
outbreak during the summer months that correspond with high average monthly temperatures.

This movie provides a sample of the dynamic maps that are published by Castronovo, Chui, and Naumova in the article 
entitled "Dynamic maps: a visual-analytic methodology for exploring spatio-temporal disease patterns."

For more information, please visit the entire article online at www.ehjournal.net/content/8/1/61.