Helminths Protozoan, Helminth and Arthropod Parasites of Humans, (New March 2000) 3 Disease transmission 2 Epidemiology 2 Helminthoses 2 Human diseases 2 Man 2 more ... Nematoda 2 Parasites 2 Pets and Companion Animals 2 Public Health Pests, Vectors and Intermediate Hosts, (New March 2000) 2 Public health 2 Taxonomy and Evolution 2 Zoonoses 2 Acanthocephala 1 Anatomy, Morphology and Structure (General), (Discontinued March 2000) 1 Animal parasitic nematodes 1 Animals as carriers of disease 1 Bacterial diseases 1 Biological Resources (General) 1 Biological development 1 Books 1 Climate 1 Climate change 1 Communicable Diseases 1 Communicable diseases 1 Communicable diseases in animals 1 Diagnosis 1 Diagnostic techniques 1 Disease distribution 1 less ...