What type of parasites are common in the southern united states?

SE parasites. Cyclospora, Giardia, Filariasis, Heartworm, Cryptosporidiosis, free living ameoba, Pediculosis (scabies, lice) Toxoplasma gondii, Roundworm, E. vermicularis (pinworm), Hookworm, Triatomine Bug, Tick borne diseases, Mosquito borne diseases (encephalitis), to name a few.
Human parasites. The following human parasites can be found in the southern states but are also found world wide. Parasites include pork tapeworm (taenia solium)which cause human cysticercosis, roundworms (ascaris lumbricoides), hookworms (ancylostoma duodenale and necator americanis), whipworm (trichuris trichiura), pinworm (enterobius vermicularis).