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Full-Text Articles in Medicine and Health Sciences
A Parasitological Paradox: Why Is Ascarid Infection So Rare In The Prehistoric Americas?, Daniela Leles, Karl Reinhard, Martín Horacio Fugassa, Luis Fernando Ferreira, Alena M. Iñiguez, Adauto Araujo
A Parasitological Paradox: Why Is Ascarid Infection So Rare In The Prehistoric Americas?, Daniela Leles, Karl Reinhard, Martín Horacio Fugassa, Luis Fernando Ferreira, Alena M. Iñiguez, Adauto Araujo
Karl Reinhard Publications
Ascaris lumbricoides (giant roundworm) and Trichuris trichiura (whipworm) are the most common intestinal parasites found in humans worldwide today and they almost always co-occur. However, we find two distinct patterns in archaeological material. In historical North American and Old World contexts, the association of A. lumbricoides and T. trichiura is similar to the modern epidemiological picture. In contrast, the co-occurrence of A. lumbricoides and T. trichiura eggs in prehistoric South America is rare. For prehistoric contexts, T. trichiura is the most common parasite found in archaeological material. Recently molecular biology techniques pointed to a subdiagnosis of roundworm infection in pre- …