Swine Flu and Google Trends
So which are the top 10 cities in the world where the keyword "Swine Flu" search is originating from? Check this Google Trends - Google Maps Mashup. You can also look at top 10 cities within each country also.
(Note: At times the markers don't show up on this page. Trying to fix it....)
Alternatively use this form to take a look at the Google Trends top 10 cities on Google Maps for keyword "Swine Flu".