"Where Malaria Occurs" http://www.cdc.gov/malaria/about/distribution.html "Where Malaria Occurs" ”Malaria” http://www.cdc.gov/malaria/about/distribution.html CDC map (see map) Malaria - transmission worldwide mostly in developing nations CDC map CDC ”Malaria” http://www.cdc.gov/malaria/about/distribution.html Geographic Distribution of Malaria useful map