Many species have other hosts between these two, such as fish or frogs. Trematodes usually have a pair of suckers for crawling and clinging to the host's tissues. Many humans are infected with blood flukes, liver flukes, lung flukes, and other trematode parasites of great medical importance.
Freeburg, IL. Freeburg is a village in St. Clair County, Illinois, United States. As of 2010, Freeburg had a population of 4,354. Freeburg lies in the fertile and rolling southern Illinois plains between the Kaskaskia and Mississippi Rivers. It was platted in 1836 as the town of Urbana by immigrants to this area from Virginia around 1800. The first European settlers of Freeburg were of English and Irish ancestry.
Freeport, Illinois. Freeport is the county seat and largest city of Stephenson County, Illinois. The population was 25,638 at the 2010 census, and the mayor of Freeport is James Gitz, elected in 2013.