Douglas W. MacPherson Archives

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Cestodes: Intestinal and Extraintestinal Tapeworm Infections, Including Echinococcosis and Cysticercosis

Infections by cestodes (tapeworms, or flat, segmented worms) in the United States, Canada, and other affluent countries are rare but do occur in specific at-risk populations related to geographic, behavioral, or migration risk characteristics. Clinical suspicion is needed to detect…

Health Screening in Immigrants, Refugees, and International Adoptees

In an increasingly globalized world, migration and population mobility are important factors in the demographic makeup of national populations. In the United States, for example, recent estimates indicate that the foreign-born cohort comprises some 40 million people, or 13% of…

Intestinal Cestodes (Tapeworms)

Abstract The relationship between humans and intestinal cestodes (tapeworms) goes well beyond the essential biologic interaction between host and parasite. Over time, tapeworms and tapeworm stories have contributed to human culture, literature, and dietary practices. In the late nineteenth century,…