Disease due to the tapeworm Taenia solium occurs in two forms: taeniasis and cysticercosis.
Taeniasis is the intestinal infection with adult tapeworms. It is a mild disease, but of significant public health importance as it plays a crucial role in the transmission of cysticercosis, a serious disease.
Cysticercosis is the infection with the larval stages (cysticerci) of the tapeworm. Inside the body, cysticerci can develop in a number of tissues; those that are located in the central nervous system cause neurocysticercosis, the most severe form of the disease.
Neurocysticercosis is considered to be a common infection of the central nervous system and is the most frequent preventable cause of epilepsy in the developing world.
~ 29 %of people with epilepsy in endemic countries had neurocysticercosisSecond WHO report on NTDs
Chapter 3.10, page 72
Highin countries with free-roaming pigs, poor sanitation and informal animal slaughterGlobal distribution of cysticercosis, 2011 (PNG)
50 millioncases of epilepsy worldwide. One third occur in regions where Taenia solium is endemicRead TRS N° 972