The Dynamics and Control of Direct Life Cycle Helminth Parasites

  • Roy M. Anderson
Part of the Lecture Notes in Biomathematics book series (LNBM, volume 39)


It is not widely appreciated that directly transmitted tapeworm and roundworm (nematode) parasites are some of the most prevalent of all human infections within many tropical, subtropical and temperate regions of the world. The roundworm Ascaris lumbricoides, for example, which is found in both tropical and temperate climates where there is adequate moisture and low standards of hygiene and sanitation, is one of, if not the most common of all human infections (Muller, 1975; Peters, 1978). Furthermore, the five most prevalent helminth parasites of man are all nematode species which are transmitted directly between hosts (Table 1). In 1975, W.H.O. statistics record that more than a third of the world’s population was infected with one or more of these species (Peters, 1978) (Table 1).


Adult Worm Host Population Infective Stage Worm Burden Infective Larva 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1980

Authors and Affiliations

  • Roy M. Anderson
    • 1
  1. 1.Zoology Dept., Imperial CollegeLondon UniversityLondonUK

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