Taenia solium Tapeworm Infection, Oregon, 2006-2009

Seth O'Neal, John Noh, Patricia Wilkins, William Keene, William Lambert, James Anderson, Jenifer Compton Luman, John Townes

Research output: Contribution to journalArticlepeer-review

17 Scopus citations


Neurocysticercosis (NCC) is a parasitic infection of the central nervous system caused by Taenia solium larval cysts. Its epidemiology in cysticercosis-nonendemic regions is poorly understood, and the role of public health institutions is unclear. To determine the incidence of NCC and to pilot screening of household contacts for tapeworms. we conducted population-based active surveillance in Oregon. We screened for T. solium infection by examining hospital billing codes and medical charts for NCC diagnosed during January 1, 2006-December 31, 2009 and collecting fecal and blood samples from household contacts of recent case-patients. We identified 87 case-patients, for an annual incidence of 0.5 cases per 100,000 general population and 5.8 cases per 100,000 Hispanics. In 22 households, we confirmed 2 additional NCC case-patients but no current adult intestinal tapeworm infections. NCC is of clinical and public health concern in Oregon, particularly among Hispanics. Public health intervention should focus on family members because household investigations can identify additional case-patients.

Original languageEnglish (US)
Pages (from-to)1030-1036
Number of pages7
JournalEmerging infectious diseases
Issue number6
StatePublished - Jun 2011

ASJC Scopus subject areas

  • Epidemiology
  • Microbiology (medical)
  • Infectious Diseases


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