| 578 | Animals |
| 246 | Foxes |
| 177 | Humans |
| 150 | Rabies (prevention & control) |
| 139 | Male |
| 133 | Rabies (veterinary) |
| 132 | Female |
| 125 | Foxes (parasitology) |
| 118 | Dogs |
| 103 | Rabies (epidemiology) |
| 91 | Rabies Vaccines (administration & dosage) |
| 72 | Administration, Oral |
| 66 | Echinococcosis (veterinary) |
| 64 | Germany (epidemiology) |
| 62 | Cats |
| 60 | Prevalence |
| 60 | Echinococcosis (epidemiology) |
| 57 | Vaccination (veterinary) |
| 55 | Germany, West |
| 53 | Animals, Wild |
| 50 | France |
| 45 | France (epidemiology) |
| 39 | Molecular Sequence Data |
| 38 | Rabies virus (immunology) |
| 37 | Seasons |
| 37 | Mice |
| 36 | Rabies Vaccines (immunology) |
| 35 | Germany |
| 35 | Cattle |
| 34 | Europe (epidemiology) |
| 34 | Echinococcosis (parasitology) |
| 33 | Foxes (virology) |
| 32 | Disease Vectors |
| 31 | Europe |
| 31 | Antibodies, Viral (blood) |
| 30 | Species Specificity |
| 30 | Phylogeny |
| 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 | Geography |
| 23 | Rabies (transmission) |
| 23 | Belgium (epidemiology) |
| 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 | Vaccination |
| 19 | Population Density |
| 19 | Middle Aged |
| 19 | Host-Parasite Interactions |
| 19 | Disease Outbreaks (veterinary) |
| 19 | Arvicolinae (parasitology) |
| 18 | Risk Factors |
| 18 | Incidence |
| 18 | Echinococcosis (transmission) |
| 18 | Carnivora |
| 18 | Animals, Domestic |
| 17 | Vaccines, Synthetic (administration & dosage) |
| 17 | Sequence Analysis, DNA |
| 16 | Trichinellosis (epidemiology) |
| 16 | Rabies Vaccines (therapeutic use) |
| 16 | Echinococcosis (diagnosis) |
| 16 | Child |
| 16 | Aged |
| 15 | Rabies virus (isolation & purification) |
| 15 | Population Dynamics |
| 15 | Echinococcosis, Hepatic (diagnosis) |
| 15 | Dog Diseases (parasitology) |
| 15 | Adolescent |
| 14 | Vaccines, Attenuated (administration & dosage) |
| 14 | Trichinellosis (veterinary) |
| 14 | Polymerase Chain Reaction |
| 14 | Echinococcosis, Hepatic (transmission) |
| 14 | Disease Reservoirs (veterinary) |
| 13 | Zoonoses (epidemiology) |
| 13 | Sheep |
| 13 | Rabies Vaccines (adverse effects) |
| 13 | Odorants |
| 13 | Foxes (physiology) |
| 13 | Enzyme-Linked Immunosorbent Assay |
| 13 | Ecology |
| 12 | Rodentia |
| 12 | Rabbits |
| 12 | Liver (pathology) |
| 12 | Echinococcus multilocularis (genetics) |
| 12 | Echinococcosis, Hepatic (veterinary) |
| 12 | Belgium |
| 12 | Age Factors |
| 11 | Trichinella (isolation & purification) |
| 11 | Swine Diseases (epidemiology) |
| 11 | Rodentia (parasitology) |
| 11 | Retrospective Studies |
| 11 | Rabies virus (pathogenicity) |
| 11 | Genetic Variation |
| 11 | Echinococcus multilocularis |
| 11 | Echinococcosis (prevention & control) |
| 11 | Cat Diseases (epidemiology) |
| 11 | Animals, Wild (virology) |
| 11 | Animals, Wild (parasitology) |
| 11 | Amino Acid Sequence |
| 10 | Zoonoses (transmission) |
| 10 | Surveys and Questionnaires |
| 10 | Reproducibility of Results |
| 10 | Raccoon Dogs |
| 10 | Liver (parasitology) |
| 10 | Feces (chemistry) |
| 10 | Enzyme-Linked Immunosorbent Assay (veterinary) |
| 10 | Echinococcus (growth & development) |
| 10 | Disease Outbreaks |
| 10 | Deer |
| 10 | Animal Diseases (epidemiology) |
| 9 | Vaccinia virus (immunology) |
| 9 | Thiazoles (pharmacology) |
| 9 | Rabies Vaccines (genetics) |
| 9 | Polymerase Chain Reaction (veterinary) |
| 9 | Neutralization Tests |
| 9 | Intestine, Small (parasitology) |
| 9 | Genotype |
| 9 | Foxes (genetics) |
| 9 | Enzyme-Linked Immunosorbent Assay (methods) |
| 9 | Dog Diseases (prevention & control) |
| 9 | Chiroptera (virology) |
| 9 | Cattle Diseases (epidemiology) |
| 9 | Animal Feed |
| 8 | Vaccines, Attenuated (immunology) |
| 8 | Sex Factors |
| 8 | Sequence Homology, Nucleic Acid |
| 8 | Reverse Transcriptase Polymerase Chain Reaction |
| 8 | Predatory Behavior |
| 8 | Microsatellite Repeats |
| 8 | Horses |
| 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 | Arvicolinae |
| 8 | Animals, Wild (microbiology) |
| 7 | Virulence |
| 7 | Vaccinia virus (genetics) |
| 7 | Vaccination (economics) |
| 7 | Trichinellosis (parasitology) |
| 7 | Switzerland |
| 7 | Rabies (diagnosis) |
| 7 | RNA, Ribosomal, 18S (genetics) |
| 7 | Pregnancy |
| 7 | Population Surveillance |
| 7 | Polymorphism, Genetic |
| 7 | Intestines (parasitology) |
| 7 | Foxes (metabolism) |
| 7 | Endemic Diseases |
| 7 | Electron Transport Complex IV (genetics) |
| 7 | Echinococcus multilocularis (growth & development) |
| 7 | Echinococcus (genetics) |
| 7 | Dogs (parasitology) |
| 7 | Distemper (virology) |
| 7 | Demography |
| 7 | Cross-Sectional Studies |
| 7 | Computer Simulation |
| 7 | Behavior, Animal |
| 6 | Zoonoses (virology) |
| 6 | Vaccines, Synthetic (immunology) |
| 6 | Vaccines, Attenuated (genetics) |
| 6 | Trematode Infections (veterinary) |
| 6 | Trematoda (isolation & purification) |
| 6 | Swine Diseases (parasitology) |
| 6 | Strongylida Infections (veterinary) |
| 6 | Sequence Homology, Amino Acid |
| 6 | Safety |
| 6 | Reverse Transcriptase Polymerase Chain Reaction (veterinary) |
| 6 | Rats, Sprague-Dawley |
| 6 | Raccoons |
| 6 | Rabies Vaccines (standards) |
| 6 | Rabies Vaccines (pharmacology) |
| 6 | Rabies (virology) |
| 6 | Rabies (microbiology) |
| 6 | Public Health |
| 6 | Polymerase Chain Reaction (methods) |
| 6 | Parasitology (methods) |
| 6 | Mutation |
| 6 | Models, Theoretical |
| 6 | Liver (metabolism) |
| 6 | Larva |
| 6 | Haplotypes |
| 6 | Feeding Behavior |
| 6 | Environmental Exposure |
| 6 | Endemic Diseases (veterinary) |
| 6 | Ecosystem |
| 6 | Echinococcus (immunology) |
| 6 | Echinococcosis, Pulmonary (transmission) |
| 6 | Echinococcosis, Hepatic (therapy) |
| 6 | Echinococcosis, Hepatic (prevention & control) |
| 6 | Echinococcosis, Hepatic (pathology) |
| 6 | Disease Reservoirs (virology) |
| 6 | DNA Primers |
| 6 | Cricetinae |
| 6 | Communicable Disease Control |
| 6 | Coccidiosis (veterinary) |
| 6 | Climate |
| 6 | Child, Preschool |
| 6 | Cestode Infections (veterinary) |
| 6 | Cestoda (isolation & purification) |
| 6 | Cell Line |
| 6 | Antibodies, Viral (immunology) |
| 6 | Antibodies, Viral (biosynthesis) |
| 6 | Antibodies, Helminth (blood) |
| 6 | Antibodies, Bacterial (blood) |
| 6 | Animals, Wild (immunology) |
| 5 | Vaccines, Attenuated (adverse effects) |
| 5 | Trematode Infections (epidemiology) |
| 5 | Toxoplasmosis, Animal (epidemiology) |
| 5 | Taenia (isolation & purification) |
| 5 | Sus scrofa |
| 5 | Rodent Diseases (epidemiology) |
| 5 | Rabies virus |
| 5 | Rabies virus (classification) |
| 5 | RNA, Viral (genetics) |
| 5 | Nematoda (isolation & purification) |
| 5 | Motor Activity (drug effects) |
| 5 | Mammals |
| 5 | Intestinal Diseases, Parasitic (veterinary) |
| 5 | Intestinal Diseases, Parasitic (parasitology) |
| 5 | Intestinal Diseases, Parasitic (epidemiology) |
| 5 | Immunity, Maternally-Acquired |
| 5 | Goats |
| 5 | Glycoproteins (immunology) |
| 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 | Chiroptera |
| 5 | China |
| 5 | China (epidemiology) |
| 5 | Cestode Infections (parasitology) |
| 5 | Birds |
| 5 | Behavior, Animal (physiology) |
| 5 | Antigens, Helminth (analysis) |
| 5 | Antibody Specificity |
| 5 | Antibodies, Viral (analysis) |
| 5 | Animals, Domestic (virology) |
| 5 | Angiostrongylus (isolation & purification) |
| 5 | Analysis of Variance |
| 4 | Zoonoses (parasitology) |
| 4 | Wolves |
| 4 | Virus Diseases (veterinary) |
| 4 | Viral Proteins (genetics) |
| 4 | Vaccinia virus |
| 4 | Vaccines, Synthetic |
| 4 | Urban Population |
| 4 | Treatment Outcome |
| 4 | Tomography, X-Ray Computed |
| 4 | Tetracycline (analysis) |
| 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 | Rural Population |
| 4 | Rodent Diseases (parasitology) |
| 4 | Risk |
| 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 | Phenotype |
| 4 | Parasite Egg Count |
| 4 | Muscle, Skeletal (parasitology) |
| 4 | Mink |
| 4 | Lyssavirus (pathogenicity) |
| 4 | Lung (parasitology) |
| 4 | Life Cycle Stages |
| 4 | Immunohistochemistry |
| 4 | Immunization, Passive |
| 4 | History, 21st Century |
| 4 | History, 20th Century |
| 4 | Genome, Viral |
| 4 | Foxes (growth & development) |
| 4 | Feces |
| 4 | Echinococcus (pathogenicity) |
| 4 | Dog Diseases (diagnosis) |
| 4 | Distemper Virus, Canine (pathogenicity) |
| 4 | Distemper Virus, Canine (genetics) |
| 4 | Diagnosis, Differential |
| 4 | DNA, Viral (genetics) |
| 4 | DNA, Ribosomal (chemistry) |
| 4 | DNA, Protozoan (chemistry) |
| 4 | DNA, Helminth (isolation & purification) |
| 4 | DNA, Helminth (chemistry) |
| 4 | DNA Primers (chemistry) |
| 4 | Cross Reactions |
| 4 | Communicable Diseases, Emerging (epidemiology) |
| 4 | Coccidiosis (epidemiology) |
| 4 | Cestode Infections (epidemiology) |
| 4 | Cats (parasitology) |
| 4 | Cat Diseases (parasitology) |
| 4 | Carnivora (parasitology) |
| 4 | Blotting, Western |
| 4 | Bites and Stings (epidemiology) |
| 4 | Behavior, Animal (drug effects) |
| 4 | Antibodies, Helminth (analysis) |
| 4 | Animals, Domestic (parasitology) |
| 4 | Animal Diseases (prevention & control) |
| 4 | Angiostrongylus (genetics) |
| 3 | Young Adult |
| 3 | World Health Organization |
| 3 | Virus Diseases (transmission) |
| 3 | Virus Diseases (prevention & control) |
| 3 | Virus Diseases (epidemiology) |
| 3 | Viral Vaccines (administration & dosage) |
| 3 | Viral Envelope Proteins (immunology) |
| 3 | Vero Cells |
| 3 | Vaccines, Synthetic (adverse effects) |
| 3 | Vaccines, Attenuated |
| 3 | Vaccination (legislation & jurisprudence) |
| 3 | Tularemia (veterinary) |
| 3 | Trichinella spiralis (isolation & purification) |
| 3 | Trichinella (classification) |
| 3 | Trematoda (classification) |
| 3 | Toxoplasma (genetics) |
| 3 | Tissue Distribution |
| 3 | Tick Infestations (veterinary) |
| 3 | Tick Infestations (parasitology) |
| 3 | Temperature |
| 3 | Strongylida Infections (parasitology) |
| 3 | Strongylida Infections (diagnosis) |
| 3 | Spain |
| 3 | Space-Time Clustering |
| 3 | Socioeconomic Factors |
| 3 | Social Behavior |
| 3 | Septal Nuclei (physiology) |
| 3 | Scabies (veterinary) |
| 3 | Rhabdoviridae Infections (virology) |
| 3 | Rhabdoviridae Infections (veterinary) |
| 3 | Residence Characteristics |
| 3 | Random Allocation |
| 3 | Raccoon Dogs (virology) |
| 3 | Rabies virus (physiology) |
| 3 | Rabies virus (growth & development) |
| 3 | Rabies Vaccines (economics) |
| 3 | RNA, Ribosomal, 16S (genetics) |
| 3 | Predatory Behavior (physiology) |
| 3 | Praziquantel (administration & dosage) |
| 3 | Poxviridae Infections (veterinary) |
| 3 | Poxviridae Infections (epidemiology) |
| 3 | Population Control |
| 3 | Polymorphism, Restriction Fragment Length |
| 3 | Poland (epidemiology) |
| 3 | Penile Erection (physiology) |
| 3 | Parvovirus, Canine (pathogenicity) |
| 3 | Parvovirus, Canine (genetics) |
| 3 | Parasitic Diseases, Animal (epidemiology) |
| 3 | Orthopoxvirus (immunology) |
| 3 | Organ Specificity |
| 3 | Opisthorchiasis (veterinary) |
| 3 | Opisthorchiasis (epidemiology) |
| 3 | North America |
| 3 | Neutralization Tests (veterinary) |
| 3 | Neutralization Tests (methods) |
| 3 | Netherlands (epidemiology) |
| 3 | Neospora (immunology) |
| 3 | Molecular Epidemiology |
| 3 | Microsatellite Repeats (genetics) |
| 3 | Magnetic Resonance Imaging |
| 3 | Lyssavirus (genetics) |
| 3 | Lyssavirus (classification) |
| 3 | Luxembourg |
| 3 | Leishmaniasis (epidemiology) |
| 3 | Kinetics |
| 3 | Italy |
| 3 | Italy (epidemiology) |
| 3 | Injections |
| 3 | Injections, Intramuscular |
| 3 | Immunization |
| 3 | Immunization Schedule |
| 3 | Hemagglutination Tests |
| 3 | Glycoproteins (genetics) |
| 3 | Global Health |
| 3 | Genetics, Population |
| 3 | Genetic Vectors |
| 3 | Genes, Helminth |
| 3 | Food Parasitology |
| 3 | Fear (physiology) |
| 3 | Fatal Outcome |
| 3 | European Union |
| 3 | Estrus (physiology) |
| 3 | Estonia (epidemiology) |
| 3 | Echinococcosis, Pulmonary (parasitology) |
| 3 | Drug Administration Schedule |
| 3 | Dog Diseases (pathology) |
| 3 | Distemper Virus, Canine (isolation & purification) |
| 3 | Distemper Virus, Canine (immunology) |
| 3 | Disease Transmission, Infectious (prevention & control) |
| 3 | Disease Reservoirs (parasitology) |
| 3 | Disease Eradication (methods) |
| 3 | Dirofilariasis (epidemiology) |
| 3 | DNA, Ribosomal (genetics) |
| 3 | DNA, Mitochondrial (genetics) |
| 3 | DNA, Helminth (genetics) |
| 3 | DNA, Bacterial (genetics) |
| 3 | DNA, Bacterial (analysis) |
| 3 | DNA (genetics) |
| 3 | Coccidiosis (parasitology) |
| 3 | Chiroptera (physiology) |
| 3 | Cells, Cultured |
| 3 | Carnivora (virology) |
| 3 | Caliciviridae Infections (veterinary) |
| 3 | Caliciviridae Infections (epidemiology) |
| 3 | Brain (virology) |
| 3 | Blotting, Western (veterinary) |
| 3 | Bites and Stings (virology) |
| 3 | Biological Evolution |
| 3 | Berlin |
| 3 | Berlin (epidemiology) |
| 3 | Bayes Theorem |
| 3 | Babesiosis (parasitology) |
| 3 | Babesiosis (epidemiology) |
| 3 | Babesia (isolation & purification) |
| 3 | Babesia (genetics) |
| 3 | Arvicolinae (growth & development) |
| 3 | Antigens, Viral (analysis) |
| 3 | Antibodies, Protozoan (blood) |
| 3 | Anthelmintics (therapeutic use) |
| 3 | Animals, Zoo |
| 3 | Animal Migration |
| 3 | Animal Husbandry |
| 3 | Albendazole (therapeutic use) |
| 3 | Africa |
| 2 | Zoonoses (prevention & control) |
| 2 | Zoonoses (diagnosis) |
| 2 | Viral Vaccines (immunology) |
| 2 | Viral Envelope Proteins (genetics) |
| 2 | Vagina (physiology) |
| 2 | Vaccinia (genetics) |
| 2 | Vaccines, Synthetic (pharmacology) |
| 2 | Vaccines, Attenuated (therapeutic use) |
| 2 | Vaccines (administration & dosage) |
| 2 | Vaccination (trends) |
| 2 | Ursidae |
| 2 | United States |
| 2 | United Kingdom |
| 2 | Ultrasonography |
| 2 | Tumor Necrosis Factor-alpha (genetics) |
| 2 | Tularemia (microbiology) |
| 2 | Tularemia (epidemiology) |
| 2 | Tuberculosis (veterinary) |
| 2 | Tuberculosis (pathology) |
| 2 | Tuberculosis (epidemiology) |
| 2 | Trichinellosis (diagnosis) |
| 2 | Trichinella (genetics) |
| 2 | Trematode Infections (immunology) |
| 2 | Travel |
| 2 | Toxoplasma (isolation & purification) |
| 2 | Toxoplasma (immunology) |
| 2 | Toxocara canis (isolation & purification) |
| 2 | Toxascaris (isolation & purification) |
| 2 | Ticks (microbiology) |
| 2 | Thiazoles (administration & dosage) |
| 2 | Theileriasis (parasitology) |
| 2 | Theileriasis (epidemiology) |
| 2 | Theileria (isolation & purification) |
| 2 | Theileria (genetics) |
| 2 | Testosterone (blood) |
| 2 | Testis (chemistry) |
| 2 | Terminology as Topic |
| 2 | Taenia (classification) |
| 2 | Synaptic Transmission (physiology) |
| 2 | Swine (parasitology) |
