Parasitic infections as regulators of animal populations.
D000818:Animals; D000830:Animals, Laboratory / Q000382:microbiology; D003140:Communicable Disease Control; D003141:Communicable Diseases / Q000635:transmission* / Q000662:veterinary; D005589:Foxes / Q000382:microbiology; D006801:Humans; D051379:Mice; D011157:Population Dynamics; D012098:Reproduction; D014611:Vaccination