Keywords: US giardiasis incidence 2005.gif en Incidence of Giardia lamblia infection reported to the US Centers for Disease Control broken down by state http //www cdc gov/mmwr/preview/mmwrhtml/ss5607a2 htm Centers for Disease Control 2007-09-07 PD-USGov Disease incidence maps of the United States Giardia lamblia Centers for Disease Control and Prevention |