| 576 | Animals |
| 245 | Foxes |
| 178 | Humans |
| 150 | Rabies (prevention & control) |
| 138 | Male |
| 132 | Rabies (veterinary) |
| 131 | Female |
| 123 | Foxes (parasitology) |
| 119 | Dogs |
| 112 | Vulpes vulpes |
| 102 | Rabies (epidemiology) |
| 91 | Rabies Vaccines (administration & dosage) |
| 79 | France |
| 74 | Prevalence |
| 72 | Administration, Oral |
| 66 | Echinococcosis (veterinary) |
| 63 | Germany (epidemiology) |
| 63 | Cats |
| 60 | Echinococcosis (epidemiology) |
| 57 | Vaccination (veterinary) |
| 54 | Germany, West |
| 53 | Germany |
| 53 | Animals, Wild |
| 51 | Europe |
| 45 | France (epidemiology) |
| 44 | Rabies |
| 44 | Fox |
| 44 | Echinococcus multilocularis |
| 41 | Epidemiology |
| 40 | Vaccination |
| 39 | Molecular Sequence Data |
| 38 | Rabies virus (immunology) |
| 37 | Seasons |
| 37 | Mice |
| 37 | Cattle |
| 36 | Rabies Vaccines (immunology) |
| 35 | Phylogeny |
| 35 | Carnivora |
| 34 | Rabies virus |
| 34 | Europe (epidemiology) |
| 34 | Echinococcosis (parasitology) |
| 33 | Foxes (virology) |
| 31 | Disease Vectors |
| 31 | Antibodies, Viral (blood) |
| 30 | Species Specificity |
| 30 | Echinococcosis, Hepatic (epidemiology) |
| 30 | Disease Reservoirs |
| 29 | Time Factors |
| 29 | Foxes (immunology) |
| 29 | Base Sequence |
| 28 | Zoonoses |
| 28 | Echinococcus multilocularis (isolation & purification) |
| 27 | Echinococcus (isolation & purification) |
| 25 | Rabies (immunology) |
| 25 | Adult |
| 24 | Parasite |
| 24 | Geography |
| 23 | Rabies (transmission) |
| 23 | Belgium (epidemiology) |
| 22 | diet |
| 22 | Rabies virus (genetics) |
| 22 | Foxes (microbiology) |
| 22 | Feces (parasitology) |
| 21 | Vaccination (methods) |
| 21 | Seroepidemiologic Studies |
| 21 | Sensitivity and Specificity |
| 21 | Rabies Vaccines |
| 21 | Models, Biological |
| 21 | Dog Diseases (epidemiology) |
| 20 | Swine |
| 20 | Rats |
| 19 | predation |
| 19 | Wild animal |
| 19 | Population Density |
| 19 | Middle Aged |
| 19 | Host-Parasite Interactions |
| 19 | Arvicolinae (parasitology) |
| 18 | mammals |
| 18 | carnivores |
| 18 | Spain |
| 18 | Rodentia |
| 18 | Risk Factors |
| 18 | Incidence |
| 18 | Geographic distribution |
| 18 | Ecology |
| 18 | Echinococcosis (transmission) |
| 18 | Disease Outbreaks (veterinary) |
| 18 | Belgium |
| 18 | Animals, Domestic |
| 17 | Vaccines, Synthetic (administration & dosage) |
| 17 | Sequence Analysis, DNA |
| 16 | conservation |
| 16 | Trichinellosis (epidemiology) |
| 16 | Rabies Vaccines (therapeutic use) |
| 16 | Echinococcosis (diagnosis) |
| 16 | Child |
| 16 | Aged |
| 15 | microsatellites |
| 15 | Sus scrofa |
| 15 | Rabies virus (isolation & purification) |
| 15 | Population Dynamics |
| 15 | Echinococcosis, Hepatic (diagnosis) |
| 15 | Dog Diseases (parasitology) |
| 15 | Adolescent |
| 14 | red fox |
| 14 | Vaccines, Attenuated (administration & dosage) |
| 14 | Trichinellosis (veterinary) |
| 14 | Sheep |
| 14 | Polymerase Chain Reaction |
| 14 | Meles meles |
| 14 | Echinococcosis, Hepatic (transmission) |
| 14 | Disease Reservoirs (veterinary) |
| 14 | Diet |
| 13 | rodents |
| 13 | Zoonoses (epidemiology) |
| 13 | Vaccine |
| 13 | Rabies Vaccines (adverse effects) |
| 13 | Rabbits |
| 13 | Odorants |
| 13 | Foxes (physiology) |
| 13 | Enzyme-Linked Immunosorbent Assay |
| 13 | Echinococciasis |
| 12 | dog |
| 12 | Liver (pathology) |
| 12 | Italy |
| 12 | Echinococcus multilocularis (genetics) |
| 12 | Echinococcosis, Hepatic (veterinary) |
| 12 | Canis lupus |
| 12 | Age Factors |
| 11 | Vaccinia virus |
| 11 | Trichinella (isolation & purification) |
| 11 | Swine Diseases (epidemiology) |
| 11 | Rodentia (parasitology) |
| 11 | Retrospective Studies |
| 11 | Rabies virus (pathogenicity) |
| 11 | Mammalia |
| 11 | Genetic Variation |
| 11 | Fissipedia |
| 11 | Feces |
| 11 | Fauna |
| 11 | Echinococcosis (prevention & control) |
| 11 | Deer |
| 11 | Cat Diseases (epidemiology) |
| 11 | Animals, Wild (virology) |
| 11 | Animals, Wild (parasitology) |
| 11 | Animal |
| 11 | Amino Acid Sequence |
| 10 | fox |
| 10 | Zoonoses (transmission) |
| 10 | Surveys and Questionnaires |
| 10 | Reproducibility of Results |
| 10 | Raccoon Dogs |
| 10 | Pleistocene |
| 10 | Oryctolagus cuniculus |
| 10 | Oral administration |
| 10 | Liver (parasitology) |
| 10 | Genotype |
| 10 | Feces (chemistry) |
| 10 | Enzyme-Linked Immunosorbent Assay (veterinary) |
| 10 | Echinococcus (growth & development) |
| 10 | Disease Outbreaks |
| 10 | China |
| 10 | Canidae |
| 10 | Animal Diseases (epidemiology) |
| 9 | survival |
| 9 | reproduction |
| 9 | dispersal |
| 9 | body size |
| 9 | Vaccinia virus (immunology) |
| 9 | Thiazoles (pharmacology) |
| 9 | Switzerland |
| 9 | Rabies Vaccines (genetics) |
| 9 | Predation |
| 9 | Polymerase Chain Reaction (veterinary) |
| 9 | Parasitism |
| 9 | Neutralization Tests |
| 9 | Intestine, Small (parasitology) |
| 9 | Host |
| 9 | Horses |
| 9 | Foxes (genetics) |
| 9 | Enzyme-Linked Immunosorbent Assay (methods) |
| 9 | Dog |
| 9 | Dog Diseases (prevention & control) |
| 9 | Chiroptera (virology) |
| 9 | Cattle Diseases (epidemiology) |
| 9 | Capreolus capreolus |
| 9 | Animal Feed |
| 8 | rabies |
| 8 | phylogeography |
| 8 | climate change |
| 8 | biodiversity |
| 8 | Vaccines, Attenuated (immunology) |
| 8 | Sex Factors |
| 8 | Sequence Homology, Nucleic Acid |
| 8 | Reverse Transcriptase Polymerase Chain Reaction |
| 8 | Predatory Behavior |
| 8 | Predator |
| 8 | Middle Palaeolithic |
| 8 | Microsatellite Repeats |
| 8 | Mammals |
| 8 | Hunting |
| 8 | Germany, East |
| 8 | Fluorescent Antibody Technique |
| 8 | Echinococcus multilocularis (physiology) |
| 8 | Echinococcosis, Pulmonary (epidemiology) |
| 8 | Echinococcosis, Hepatic (parasitology) |
| 8 | Distemper (epidemiology) |
| 8 | Disease Outbreaks (prevention & control) |
| 8 | Australia |
| 8 | Arvicolinae |
| 8 | Arvicola terrestris |
| 8 | Antibody |
| 8 | Animals, Wild (microbiology) |
| 8 | Africa |
| 7 | taphonomy |
| 7 | reintroduction |
| 7 | microsatellite |
| 7 | evolution |
| 7 | biostratigraphy |
| 7 | biogeography |
| 7 | Zoonosis |
| 7 | Virulence |
| 7 | Vaccinia virus (genetics) |
| 7 | Vaccination (economics) |
| 7 | Ursidae |
| 7 | Trichinellosis (parasitology) |
| 7 | Serology |
| 7 | Reproduction |
| 7 | Rabies (diagnosis) |
| 7 | RNA, Ribosomal, 18S (genetics) |
| 7 | Prevention |
| 7 | Pregnancy |
| 7 | Population survey |
| 7 | Population dynamics |
| 7 | Population Surveillance |
| 7 | Polymorphism, Genetic |
| 7 | Mutation |
| 7 | Middle Pleistocene |
| 7 | Intestines (parasitology) |
| 7 | Immunization |
| 7 | Foxes (metabolism) |
| 7 | Faunal survey |
| 7 | Endemic Diseases |
| 7 | Electron Transport Complex IV (genetics) |
| 7 | Efficiency |
| 7 | Ecosystem |
| 7 | Echinococcus multilocularis (growth & development) |
| 7 | Echinococcus (genetics) |
| 7 | Dogs (parasitology) |
| 7 | Distemper (virology) |
| 7 | Demography |
| 7 | Cross-Sectional Studies |
| 7 | Computer Simulation |
| 7 | Climate |
| 7 | Chiroptera |
| 7 | Birds |
| 7 | Behavior, Animal |
| 7 | Bait |
| 6 | wolf |
| 6 | white‐tailed deer |
| 6 | seasonality |
| 6 | phylogeny |
| 6 | mortality |
| 6 | monitoring |
| 6 | home range |
| 6 | geographical variation |
| 6 | fragmentation |
| 6 | extinction |
| 6 | ecology |
| 6 | birds |
| 6 | Zoonoses (virology) |
| 6 | Vaccines, Synthetic (immunology) |
| 6 | Vaccines, Attenuated (genetics) |
| 6 | Upper Palaeolithic |
| 6 | Trematode Infections (veterinary) |
| 6 | Trematoda (isolation & purification) |
| 6 | Transmission |
| 6 | Swine Diseases (parasitology) |
| 6 | Strongylida Infections (veterinary) |
| 6 | Sequence Homology, Amino Acid |
| 6 | Safety |
| 6 | Risk |
| 6 | Reverse Transcriptase Polymerase Chain Reaction (veterinary) |
| 6 | Red fox |
| 6 | Rats, Sprague-Dawley |
| 6 | Raccoons |
| 6 | Rabies Vaccines (standards) |
| 6 | Rabies Vaccines (pharmacology) |
| 6 | Rabies (virology) |
| 6 | Rabies (microbiology) |
| 6 | Public Health |
| 6 | Population management |
| 6 | Population density |
| 6 | Polymerase Chain Reaction (methods) |
| 6 | Parasitology (methods) |
| 6 | PCR |
| 6 | Odocoileus virginianus |
| 6 | Neospora caninum |
| 6 | Mousterian |
| 6 | Models, Theoretical |
| 6 | Method |
| 6 | Liver |
| 6 | Liver (metabolism) |
| 6 | Leishmania infantum |
| 6 | Larva |
| 6 | Intermediate host |
| 6 | Human |
| 6 | Haplotypes |
| 6 | Genetics |
| 6 | Felidae |
| 6 | Feeding Behavior |
| 6 | Environmental Exposure |
| 6 | Endemic Diseases (veterinary) |
| 6 | Echinococcus (immunology) |
| 6 | Echinococcosis, Pulmonary (transmission) |
| 6 | Echinococcosis, Hepatic (therapy) |
| 6 | Echinococcosis, Hepatic (prevention & control) |
| 6 | Echinococcosis, Hepatic (pathology) |
| 6 | ELISA |
| 6 | Disease Reservoirs (virology) |
| 6 | DNA Primers |
| 6 | Cricetinae |
| 6 | Communicable Disease Control |
| 6 | Coccidiosis (veterinary) |
| 6 | Child, Preschool |
| 6 | Cestode Infections (veterinary) |
| 6 | Cestoda (isolation & purification) |
| 6 | Cell Line |
| 6 | Carnivorous |
| 6 | Bergmann's rule |
| 6 | Austria |
| 6 | Antibodies, Viral (immunology) |
| 6 | Antibodies, Viral (biosynthesis) |
| 6 | Antibodies, Helminth (blood) |
| 6 | Antibodies, Bacterial (blood) |
| 6 | Animals, Wild (immunology) |
| 5 | wildlife |
| 5 | population structure |
| 5 | population genetics |
| 5 | population density |
| 5 | palaeoecology |
| 5 | morphology |
| 5 | latitude |
| 5 | islands |
| 5 | introduction |
| 5 | hunting |
| 5 | frugivory |
| 5 | competition |
| 5 | Vaccines, Attenuated (adverse effects) |
| 5 | Trichinella |
| 5 | Trematode Infections (epidemiology) |
| 5 | Toxoplasmosis, Animal (epidemiology) |
| 5 | Taxonomy |
| 5 | Taenia (isolation & purification) |
| 5 | Spermatozoa |
| 5 | Simulation model |
| 5 | Rodent Diseases (epidemiology) |
| 5 | Recombinant virus |
| 5 | Rabies virus (classification) |
| 5 | RNA, Viral (genetics) |
| 5 | Portugal |
| 5 | Phenotype |
| 5 | Olfaction |
| 5 | Nematoda (isolation & purification) |
| 5 | Neanderthals |
| 5 | Motor Activity (drug effects) |
| 5 | Morphology |
| 5 | Microtus arvalis |
| 5 | Late Pleistocene |
| 5 | Ixodes ricinus |
| 5 | Interspecific comparison |
| 5 | Infection |
| 5 | Immunoprophylaxis |
| 5 | Immunity, Maternally-Acquired |
| 5 | Habitat |
| 5 | Goats |
| 5 | Glycoproteins (immunology) |
| 5 | G21 |
| 5 | Foxes (blood) |
| 5 | Food Chain |
| 5 | Follow-Up Studies |
| 5 | Evolution, Molecular |
| 5 | Evaluation Studies as Topic |
| 5 | Environmental Monitoring |
| 5 | Echinococcus (physiology) |
| 5 | Dose-Response Relationship, Drug |
| 5 | Dog Diseases (transmission) |
| 5 | DNA, Helminth (analysis) |
| 5 | Cost-Benefit Analysis |
| 5 | Communicable Diseases, Emerging (veterinary) |
| 5 | Cluster Analysis |
| 5 | Cloning, Molecular |
| 5 | China (epidemiology) |
| 5 | Cestode Infections (parasitology) |
| 5 | Cat |
| 5 | Carnivores |
| 5 | Canis latrans |
| 5 | Behavior, Animal (physiology) |
| 5 | Asia |
| 5 | Antigens, Helminth (analysis) |
| 5 | Antibody Specificity |
| 5 | Antibodies, Viral (analysis) |
| 5 | Animals, Domestic (virology) |
| 5 | Angiostrongylus (isolation & purification) |
| 5 | Analysis of Variance |
| 4 | wild boar |
| 4 | vertebrates |
| 4 | urban wildlife |
| 4 | ungulates |
| 4 | recolonization |
| 4 | predators |
| 4 | population dynamics |
| 4 | polymorphism |
| 4 | ontogeny |
| 4 | mustelid |
| 4 | macroecology |
| 4 | keystone species |
| 4 | invasive species |
| 4 | hybridization |
| 4 | habitat use |
| 4 | glacial refugia |
| 4 | geographic variation |
| 4 | functional morphology |
| 4 | fertility control |
| 4 | domestication |
| 4 | distribution |
| 4 | cable restraint |
| 4 | body mass |
| 4 | adaptation |
| 4 | abundance |
| 4 | Zoonoses (parasitology) |
| 4 | Wolves |
| 4 | Wildlife |
| 4 | Virus Diseases (veterinary) |
| 4 | Viral disease |
| 4 | Viral Proteins (genetics) |
| 4 | Veterinary |
| 4 | Vector |
| 4 | Vaccines, Synthetic |
| 4 | Urban Population |
| 4 | Treatment Outcome |
| 4 | Toxicity |
| 4 | Tomography, X-Ray Computed |
| 4 | Tetracycline (analysis) |
| 4 | Taphonomy |
| 4 | Switzerland (epidemiology) |
| 4 | Strongylida Infections (epidemiology) |
| 4 | Stomach (parasitology) |
| 4 | Sheep Diseases (epidemiology) |
| 4 | Sheep (parasitology) |
| 4 | Sequence Analysis, DNA (veterinary) |
| 4 | Sequence Alignment |
| 4 | Sentinel Surveillance (veterinary) |
| 4 | Sanitary surveillance |
| 4 | Rural Population |
| 4 | Rodent Diseases (parasitology) |
| 4 | Reservoir |
| 4 | Recombination, Genetic |
| 4 | Real-Time Polymerase Chain Reaction |
| 4 | Raccoon Dogs (parasitology) |
| 4 | Rabies (mortality) |
| 4 | Rabies (etiology) |
| 4 | RNA, Viral (analysis) |
| 4 | RNA, Ribosomal (genetics) |
| 4 | Predator prey relation |
| 4 | Polymerase chain reaction |
| 4 | Pollutant |
| 4 | Pliocene |
| 4 | Perception |
| 4 | Parasite Egg Count |
| 4 | Palaeoecology |
| 4 | North America |
| 4 | Neanderthal |
| 4 | Mustela vison |
| 4 | Muscle, Skeletal (parasitology) |
| 4 | Mouse |
| 4 | Morocco |
| 4 | Mink |
| 4 | Martes foina |
| 4 | Mammal |
| 4 | Lyssavirus (pathogenicity) |
| 4 | Lyme disease |
| 4 | Lung (parasitology) |
| 4 | Life Cycle Stages |
| 4 | Kinetics |
| 4 | Intestinal Diseases, Parasitic (veterinary) |
| 4 | Intestinal Diseases, Parasitic (parasitology) |
| 4 | Intestinal Diseases, Parasitic (epidemiology) |
| 4 | Immunohistochemistry |
| 4 | Immunization, Passive |
| 4 | Immune response |
| 4 | Hyaenidae |
| 4 | History, 21st Century |
| 4 | History, 20th Century |
| 4 | Genome, Viral |
| 4 | Game |
| 4 | Foxes (growth & development) |
| 4 | Felis silvestris |
| 4 | Experimental disease |
| 4 | Evolution |
