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MERCK MANUAL
Veterinary Manual
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Veterinary Topics
Infectious Diseases
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MULTIPLE SPECIES
Actinomycosis
Actinomycosis in Cattle and Other Animals
Clinical Findings
Diagnosis
Treatment
Prevention
Key Points
For More Information
References
Anthrax
Anthrax in Animals
Etiology and Pathogenesis
Epidemiology
Clinical Findings
Postmortem Lesions
Diagnosis
Treatment, Control, and Prevention
Key Points
For More Information
Besnoitiosis
Besnoitiosis in Animals
Etiology
Epidemiology
Clinical Findings
Prevention and Treatment
Key Points
For More Information
Chlamydiosis
Chlamydiosis in Animals
Etiology
Epidemiology
Clinical Findings
Lesions
Diagnosis
Treatment and Prevention
Key Points
For More Information
Clostridial Diseases
Overview of Clostridial Diseases in Animals
Bacillary Hemoglobinuria in Animals
Etiology
Clinical Findings
Lesions
Diagnosis
Control
Key Points
For More Information
Big Head in Animals
Blackleg in Animals
Etiology
Clinical Findings and Lesions
Diagnosis
Control
Key Points
For More Information
Infectious Necrotic Hepatitis in Animals
Etiology and Pathogenesis
Clinical Findings
Lesions
Diagnosis
Control
Malignant Edema in Animals
Etiology and Pathogenesis
Clinical Findings
Diagnosis
Control
Key Points
For More Information
Botulism in Animals
Etiology
Clinical Findings and Lesions
Diagnosis
Treatment and Control
Key Points
For More Information
Clostridium difficile
and
C perfringens
Infections in Animals
Clostridia-associated Enterocolitides in Horses
Etiology
Clinical Findings
Diagnosis
Control
Clostridium difficile
in Swine
Clostridium difficile
in Dogs
Clostridium difficile
in Calves
Clostridium perfringens
in Adult Cattle
Enterotoxemias in Animals
Enterotoxemia Caused by
Clostridium perfringens
Type A
Enterotoxemia Caused by
Clostridium perfringens
Types B and C
Clinical Findings
Treatment and Control
Type D Enterotoxemia
Etiology
Clinical Findings
Diagnosis
Control
For More Information
Tetanus in Animals
Etiology and Pathogenesis
Clinical Findings
Diagnosis
Treatment and Control
Key Points
For More Information
Clostridial Vaccines for Animals
Coxiellosis
Coxiellosis in Animals
Etiology, Epidemiology, and Transmission
Clinical Findings
Diagnosis
Treatment and Control
Zoonotic Risk
Key Points
For More Information
Erysipelothrix rhusiopathiae
Infection
Overview of
Erysipelothrix rhusiopathiae
Infection in Animals
Etiology
Key Points
For More Information
Swine Erysipelas
Etiology and Pathogenesis
Clinical Findings
Lesions of Swine Erysipelas
Diagnosis
Treatment
Prevention
Key Points
For More Information
Nonsuppurative Polyarthritis in Lambs
Etiology
Clinical Findings and Lesions
Diagnosis
Prevention and Treatment
Key Points
For More Information
Fungal Infections
Overview of Fungal Infections in Animals
Aspergillosis in Animals
Clinical Findings and Lesions
Diagnosis
Treatment
Key Points
Blastomycosis in Animals
Clinical Signs
Lesions
Diagnosis
Treatment
Key Points
Candidiasis in Animals
Clinical Findings and Lesions
Diagnosis
Treatment
Key Points
Coccidioidomycosis in Animals
Clinical Findings and Lesions
Diagnosis
Treatment
Key Points
References
For More Information
Cryptococcosis in Animals
Clinical Findings and Lesions
Diagnosis
Treatment
Key Points
Epizootic Lymphangitis in Animals
Clinical Findings and Lesions
Diagnosis
Treatment
For More Information
Histoplasmosis in Animals
Clinical Findings
Lesions
Diagnosis
Treatment
Key Points
Hyalohyphomycosis in Animals
Clinical Findings
Diagnosis
Treatment
Mycetomas in Animals
Clinical Findings and Lesions
Diagnosis
Treatment
Oomycosis in Animals
Clinical Findings and Lesions
Diagnosis
Treatment
Key Points
Phaeohyphomycosis in Animals
Clinical Findings and Lesions
Diagnosis
Treatment
Key Points
Sporotrichosis in Animals
Clinical Findings and Lesions
Diagnosis
Treatment
Zoonotic Risk
Key Points
Entomophthoromycosis and Mucormycosis in Animals
Clinical Findings
Lesions
Diagnosis
Treatment
Key Points
Leishmaniosis
Leishmaniosis in Dogs
Etiology and Pathophysiology
Pathogenesis of Leishmaniosis in Dogs
Epidemiology
Prevalence and Geographic Distribution of Leishmaniosis in Dogs
Transmission of Leishmaniosis in Dogs
Clinical Findings
Lesions of Leishmaniosis in Dogs
Diagnosis
Treatment
Antiprotozoal Agents for Treatment of Leishmaniosis in Dogs
Immunotherapy for Treatment of Leishmaniosis in Dogs
Prevention
Zoonotic Risk
Key Points
For More Information
References
Leishmaniosis in Cats
Etiology
Epidemiology
Clinical Findings
Diagnosis
Treatment
Prevention
Key Points
For More Information
References
Leptospirosis
Leptospirosis in Animals - Overview
Etiology
Host Susceptibility, Epidemiology, and Transmission
Pathogenesis
Clinical Findings
Diagnosis
Available Antibody Tests
Interpretation of MAT Results
How to Use MAT Results
Other Tests
Prevention
Zoonotic Risk
Key Points
For More Information
Leptospirosis in Dogs
Clinical Signs and Test Results
Diagnosis
Treatment
Prevention
References
Zoonotic Risk
Key Points
More Information
Leptospirosis in Horses
Epidemiology
Clinical Findings
Diagnosis
Treatment and Prevention
Key Points
For More Information
Leptospirosis in Ruminants
Etiology
Clinical Findings
Diagnosis
Treatment, Control, and Prevention
Key Points
For More Information
Leptospirosis in Swine
Listeriosis
Listeriosis in Animals
Etiology and Epidemiology
Pathogenesis
Clinical Findings
Lesions
Diagnosis
Treatment and Control
Zoonotic Risk
Key Points
For More Information
Lyme Borreliosis
Lyme Borreliosis in Animals
Etiology and Transmission
Clinical Findings
Diagnosis
Treatment
Control and Prevention
Zoonotic Risk
Key Points
For More Information
Melioidosis
Melioidosis in Animals
Etiology and Epidemiology
Transmission
Pathogenesis
Clinical Findings
Lesions
Diagnosis
Treatment and Prevention
Zoonotic Risk
Key Points
For More Information
Neosporosis in Dogs
Neosporosis in Dogs
Etiology and Pathogenesis
Epidemiology
Geographic Distribution
Species Affected
Life Cycle
Transmission
Clinical Findings
Diagnosis
Treatment, Prevention, and Control
Zoonotic Risk
Key Points
For More Information
References
Nocardiosis
Nocardiosis in Animals
Etiology
Epidemiology
Pathogenesis
Clinical Findings
Nocardial Mastitis in Domestic Ruminants
Bovine Farcy
Nocardiosis in Horses
Nocardiosis in Companion Animals
Miscellaneous Nocardial Disease
Diagnosis
Treatment
Control and Prevention
Public Health Considerations
Key Points
For More Information
Plague
Plague in Animals
Etiology
Epidemiology and Transmission
Clinical Findings and Lesions
Diagnosis
Treatment
Control and Public Health Response
Key Points
Rickettsial Diseases in Dogs
Anaplasmosis in Dogs
Etiology and Epidemiology
Clinical Findings
Lesions of Anaplasmosis
Diagnosis
Treatment
Prevention
Zoonotic Risk
Key Points
For More Information
References
Ehrlichiosis in Dogs
Etiology and Epidemiology
Clinical Findings
Lesions of Ehrlichiosis
Diagnosis
Treatment
Prevention
Zoonotic Risk
Key Points
For More Information
Rocky Mountain Spotted Fever in Dogs
Etiology and Epidemiology
Clinical Findings
Lesions of Rocky Mountain Spotted Fever
Diagnosis
Treatment
Prevention
Zoonotic Risk
Key Points
For More Information
References
Salmon Poisoning Disease in Dogs
Etiology and Epidemiology
Clinical Findings
Lesions of Salmon Poisoning Disease
Diagnosis
Prevention and Treatment
Key Points
For More Information
References
LARGE ANIMALS
Actinobacillosis
Actinobacillosis in Animals
Etiology
Clinical Findings
Clinical Findings of Infection by
Actinobacillus pleuropneumoniae
Clinical Findings of Infection by
Actinobacillus suis
Clinical Findings of Infection by
Actinobacillus equuli
Clinical Findings of Infection by
Actinobacillus arthritidis
Clinical Findings of Infection by
Actinobacillus lignieresii
Clinical Findings of Infection by Other
Actinobacillus
spp
Diagnosis
Treatment
Prevention
Key Points
For More Information
References
Bovine Viral Diarrhea
Bovine Viral Diarrhea and Mucosal Disease Complex
Etiology and Epidemiology
Clinical Findings and Lesions
Diagnosis
Treatment and Control
Key Points
For More Information
References
Foot-and-Mouth Disease
Foot-and-Mouth Disease in Animals
Epidemiology and Transmission
Properties of Foot-and-Mouth Disease Virus
Pathogenesis
Clinical Findings
Diagnosis
Treatment, Control, and Prevention
Key Points
For More Information
References
High-Pathogenicity (Highly Pathogenic) Avian Influenza in Cattle
High-Pathogenicity (Highly Pathogenic) Avian Influenza in Cattle
Etiology
Epidemiology
Morbidity and Mortality
Zoonotic Risk
Clinical Findings
Diagnosis
Lesions
Treatment
Prevention
Key Points
For More Information
Porcine Circoviruses
Porcine Circoviruses and Their Associated Diseases
Etiology and Pathogenesis
Epidemiology and Transmission
Clinical and Pathological Findings
PCV2 Systemic Disease
PCV2 Subclinical Infection
PCV2 Reproductive Disease
Porcine Dermatitis and Nephropathy Syndrome
PCV3-Associated Diseases
Diagnosis
Diagnosis of PCV2 Systemic Disease
Diagnosis of PCV2 Subclinical Infection
Diagnosis of PCV2 Reproductive Disease
Diagnosis of Porcine Dermatitis and Nephropathy Syndrome
Diagnosis of PCV3-Associated Diseases
Treatment and Control
Key Points
For More Information
References
SMALL ANIMALS
Canine Distemper
Canine Distemper
Etiology and Pathogenesis
Clinical Findings
Lesions
References
Diagnosis
Treatment
References
Prevention
Key Points
For More Information
Canine Herpesvirus Infection
Canine Herpesvirus Infection
Etiology and Pathogenesis
Clinical Findings
Lesions
Diagnosis
Treatment
Prevention
Key Points
For More Information
Feline Infectious Peritonitis
Feline Infectious Peritonitis
Etiology and Pathophysiology
Taxonomy
Structure
Classification
Replication Cycle
Pathogenic Mechanisms
Epizootiology
Geographic Distribution
Measures of Disease Frequency
Transmission
Risk Factors
Incubation Period
Morbidity and Mortality
Hosts or Species Affected
Zoonotic Risk
Clinical Findings
Disease Characterization
Postmortem Lesions
Diagnosis
Histological Evaluation
Effusion Analysis
PCR Assays and Molecular Characterization
Diagnostic Imaging
Clinicopathologic Data
Cerebrospinal Fluid Analysis
Serological Testing
Differential Diagnoses
Treatment, Control, and Prevention
Antiviral Treatment
Supportive Care
Other Treatments
Prevention
Vaccination
Disinfection
Prognosis
Key Points
For More Information
References
Feline Leukemia Virus
Feline Leukemia Virus Disease
Etiology and Pathogenesis
Classification of viral genome
Structure
Replication
Pathogenic mechanisms
Epidemiology and Transmission
References
Clinical Findings
Disease Secondary to FeLV
Diseases Caused by FeLV
Infection Response Categories
Diagnosis
Treatment and Prognosis
Prevention and Control
References
Key Points
For More Information
Infectious Canine Hepatitis
Infectious Canine Hepatitis
Etiology and Pathogenesis
Clinical Findings
Lesions
Diagnosis
Treatment
Prevention
Key Points
For More Information