Western Canadian Animal Health Network Information Library

Infographics, reports, and other western Canadian animal health surveillance information

WeCAHN Information Library

Following is a library of documents (reports, infographics, and scientific papers) describing the work of animal health surveillance projects and programs in western Canada, as well as nationally and internationally. Users may search the library using the terms listed in the right-hand column. If you would like your work added to the library, please contact us.

The impact of influenza A H5N1 virus infection in dairy cows

Peña-Mosca et al. (2025 preprint) investigated the impact of highly pathogenic influenza (HPAI) A(H5N1) in a dairy herd of approximately 3,876 adult cows in Ohio. 

  • Bovine
  • Influenza
  • Virus
  • One Time
  • Commercial, large-scale
  • United States
LINK
Stability of influenza A H5N1 virus in raw milk cheese
Nooruzzaman et al. (2025 preprint) evaluated the stability of highly pathogenic avian influenza (HPAI) A(H5N1) virus in raw milk cheese. Raw milk cheddar cheese inadvertently produced with naturally...
  • Bovine,
  • Human
  • Influenza
  • Virus
  • One Time
  • Commercial, large-scale
  • United States
LINK
Cross-species and mammal-to-mammal transmission of avian influenza_H5N1 with PB2 adaptations
Highly pathogenic H5N1 avian influenza viruses (HPAIV) belonging to lineage 2.3.4.4b emerged in Chile in December 2022, leading to mass mortality events in wild birds, poultry, and marine...
  • Human,
  • Mammalian (Non-domestic, other)
  • Influenza
  • Virus,
  • Zoonosis
  • One Time
  • Freeliving
  • International
The impact of influenza A H5N1 virus infection in dairy cows
We investigated the impact of influenza A-H5N1 virus infection in a dairy herd. Clinical disease, which lasted for about three weeks, was recorded in 20.0% (777/3,876) of the adult cows. Milk losses...
  • Bovine
  • Influenza
  • Virus,
  • Zoonosis
  • One Time
  • Commercial, large-scale
  • United States
Pathogenicity and transmissibility of bovine-derived HPAI H5N1 B3.13 virus in pigs
Since the first emergence of highly pathogenic avian influenza (HPAI) H5N1 viruses in dairy cattle, the virus has continued to spread, reaching at least 16 states and at least 950 dairy herds in the...
  • Poultry
  • Influenza
  • Virus,
  • Zoonosis
  • N/A
  • N/A
Seroprevalence of Highly Pathogenic Avian Influenza A(H5) Virus Infections Among Bovine Veterinary Practitioners — United States, September 2024
What is already known about this topic?
Highly pathogenic avian influenza (HPAI) A(H5) virus infections have been detected in humans exposed to infected dairy cattle.
What is added by this...
  • Bovine,
  • Human,
  • Poultry
  • Influenza
  • Virus,
  • Zoonosis
  • One Time
  • Commercial, large-scale,
  • Other
  • United States
Another HPAI Spillover from Wild Birds into Dairy Cattle
In Nevada, 3 of 11 silo samples collected on January 6 and 7, 2025 tested positive for HPAI via polymerase chain reaction (PCR) at the National Veterinary Services Laboratories (NVSL) on January 10....
  • Bovine
  • Influenza
  • Virus,
  • Zoonosis
  • One Time
  • United States Government
  • Commercial, large-scale
  • United States
Clade 2.3.4.4b but not historical clade 1 HA replicating RNA vaccine protects against bovine H5N1 challenge in mice

The ongoing circulation of...

  • Bovine
  • Virus,
  • Zoonosis
  • One Time
Polymerase mutations underlie early adaptation of H5N1 influenza virus to dairy cattle and other mammals

In early 2024, an unprecedented outbreak of H5N1 high pathogenicity avian 23 influenza was detected in dairy cattle in the USA. The epidemic remains uncontrolled, 24 with spillbacks into poultry,...

  • Bovine
  • Influenza
  • Virus,
  • Zoonosis
  • One Time
  • Other
Critical Illness in an Adolescent with Influenza A(H5N1) Virus Infection
Highly pathogenic avian influenza A(H5N1) viruses are circulating among wild
birds and poultry in British Columbia, Canada. These viruses are also recognized to cause illness in humans. Here, we...
  • Human
  • Influenza
  • Virus,
  • Zoonosis
  • One Time
  • Other
  • British Columbia
Filters
Covid - (0/1)
  • Covid
Feedlot - (0/2)
  • BRD
  • Feedlot AMU_AMR
avian metapneumovirus - (0/1)
  • Avian metapneumovirus
Beef Cow-calf Vaccine Materials - (0/2)
  • Common Beef Diseases
  • Core vaccines
  • Risk-based Vaccines
Recent cases - (0/7)
  • Bovine Congestive Heart Failure
  • Bovine Foot Lameness 2023
  • Neonatal beef calf liver disease 2022
  • Pneumonia in western Canadian cows
  • Q fever
  • Salmonella in calves
  • Streptococcus plurianimalium
Network Reports - (0/9)
  • WeCAHN Animal Health Diagnostics
  • WeCAHN Annual Reports
  • WeCAHN Beef Network Reports
  • WeCAHN Dairy Network Reports
  • WeCAHN Equine Network Reports
  • WeCAHN Listserv Case Reports
  • WeCAHN Poultry Network Reports
  • WeCAHN Small Ruminants Network
  • WeCAHN Smallholder Network Reports
Dairy - (0/1)
  • Dairy
Emerging issues - (0/1)
  • Emerging issues
WeCAHN Knowledge Transfer (KT) - (0/3)
  • Case reports
  • Factsheets
  • Infographics
  • What's new
Avian influenza - (1/4)
  • Guidance for Livestock Workers
  • PRIMARY RESEARCH_SCIENTIFIC_REPORTS_Avian influenza in mammals
  • PRIMARY RESEARCH_SCIENTIFIC_REPORTS_H5N1 Research
  • PRIMARY RESEARCH_SCIENTIFIC_REPORTS_H5N5 Research
Animal Type - (0/22)
  • Amphibian/Reptile
  • Avian (Domestic, Non-poultry)
  • Avian (Non-domestic)
  • Bat
  • Bison
  • Bovine
  • Camelid
  • Cat
  • Cervid
  • Crustacean
  • Dog
  • Equine
  • Finfish
  • Honeybee
  • Human
  • Insect (Non-honeybee)
  • Mammalian (Domestic, other)
  • Mammalian (Non-domestic, other)
  • Mink
  • Mollusc
  • N/A
  • Other
  • Poultry
  • Rabbit
  • Sheep and Goats
  • Swine
Disease Agent - (0/122)
  • Abalone viral mortality (Abalone herpes-like virus)
  • Acarine disease (Acarapis woodi, tracheal mite)
  • Actinomyces
  • Acute bee paralysis virus
  • Acute hepatopancreatic necrosis disease (Vibrio parahaemolyticus)
  • Adenovirus
  • African horse sickness
  • African swine fever
  • Aino virus
  • Akabane virus
  • Aleutian disease virus (Mink plasmacytosis)
  • American foulbrood (Paenibacillus)
  • Anaplasmosis
  • Anthrax
  • Apis cerana (Eastern honey bee or Asian honey bee)
  • Apis mellifera capensis (Cape bee)
  • Apis mellifera scutellata (African honey bee)
  • Apis vilutina (Asian predatory wasp)
  • Arboviruses
  • Arenaviruses
  • Asian bee mites (Tropilaelaps clareae)
  • Aspergillus
  • Atrophic rhinitis
  • Avian chlamydiosis
  • Avian encephalomyelitis
  • Avian Infectious bonchitis
  • Avian leukosis
  • Avian mycoplasmosis
  • Avian salmonellosis
  • Avian spirochaetosis
  • Avian tuberculosis
  • Babesiosis
  • Bacterial Kidney Disease (Renibacterium salmoninarum)
  • Batrachochytrium dendrobatidis
  • Batrachochytrium salamandrivorans
  • Baylisascaris
  • Besnoitiosis
  • Black queen cell virus
  • Blackleg (Clostridium chauvoei)
  • Blastomycosis (Blastomyces dermatitidis)
  • Bluetongue
  • Bonamia exitiosa
  • Bonamia ostreae
  • Bonamia roughleyi
  • Borna disease virus (Mammalian)
  • Borrelia
  • Botulism (Clostridium botulinum)
  • Bovine babesiosis (Babesia bovis)
  • Bovine cysticercosis (Taenia saginata)
  • Bovine ephemeral fever virus
  • Bovine genital campylabacteriosis (vibriosis)
  • Bovine herpesvirus
  • Bovine leukemia virus
  • Bovine malignant catarrhal fever (gammaherpesviruses)
  • Bovine petechial fever (Ehrlichia ondin)
  • Bovine respiratory syncytial virus
  • Bovine spongiform encephalopathy
  • Bovine trichomoniasis (Tritrichomonas foetus)
  • Bovine tuberculosis (Mycobacterium bovis)
  • Bovine viral diarrhea virus
  • Brachyspira
  • Brown ring disease (Vibrio tapetis)
  • Brucella
  • Brucellosis (Brucella abortus)
  • Brucellosis (Brucella melitensis)
  • Brucellosis (Brucella suis)
  • Bunyaviruses
  • Cache Valley virus
  • Campylobacter
  • Caprine arthritis-encephalitis
  • Caseous lymphadenitis (Corynebacterium pseudotuberculosis)
  • Ceratomyxosis (Ceratomyxa shasta)
  • Chalkbrood (Ascosphaera apis)
  • Chicken proventricular necrosis virus
  • Chlamydia
  • Chronic wasting disease
  • Circovirus
  • Classical swine fever
  • Clostridium
  • Coccidiosis
  • Contagious agalactia
  • Contagious bovine pleuropneumonia (Mycoplasma mycoides mycoides)
  • Contagious caprine pleuropneumonia (Mycoplasma capricolum)
  • Contagious equine metritis
  • Contagious ophthalmia
  • Contagious pustular dermatitis (Contagious ecthyma, Sore mouth, Orf)
  • Coronavirus
  • Corynebacterium
  • Coxiella
  • Crayfish plague (Aphanomyces astace)
  • Cryptococcosis
  • Cryptosporidiosis
  • Cysticercosis (Cysticercus spp.)
  • Cysticercosis (Taenia solium)
  • Deformed wing virus
  • Dermatophilosis
  • Dirofilaria
  • Distemper
  • Distomatosis (liver fluke)
  • Dourine (Trypanosoma equiperdum)
  • Duck hepatitis
  • Duck viral enteritis
  • E. coli
  • Eastern equine encephalomyelitis
  • Echinococcus
  • Egg drop syndrome (Fowl adenovirus)
  • Enteric red mouth disease (Yersinia ruckeri)
  • Enterococcus
  • Enterotoxaemia
  • Enterovirus encephalomyelitis (Teschen disease)
  • Environmental contaminant
  • Enzootic abortion of ewes (Chlamydophila abortus, ovine chlamydiosis)
  • Enzootic bovine leukosis (Bovine leukaemia virus)
  • Epizootic haematopoietic necrosis virus
  • Epizootic haemorrhagic disease
  • Epizootic lymphangitis (Histoplasma farciminosum)
  • Epizootic ulcerative syndrome (Aphanomyces invadans)
  • Equine arteritis virus
  • Equine coital exanthema
  • Equine encephalitis
  • Equine herpes virus
  • Equine infectious anemia
  • Equine piroplasmosis (Babesia caballi or Theileria equi)
  • Erysipelas
  • European foulbrood (Melissococcus pluton)
  • Filariasis
  • Filovirus
  • Foot and mouth disease
  • Foot rot (Fusobacterium necrophorum)
  • Fowl cholera (Pasteurella multocida)
  • Fowl pox
  • Fowl typhoid (Salmonella gallinarum)
  • Furunculosis (Aeromonas salmonicida)
  • Gallibacterium
  • Giant Asian hornet (Vespa mandarinia)
  • Giardiasis
  • Glanders
  • Goose parvovirus (Derzsy’s disease)
  • Greater wax moth (Galleria mellonella)
  • Gryrodactylus
  • Hantavirus
  • Haplosporidium
  • Heartwater (Cowdriosis, Ehrlichia ruminantium)
  • Hemorrhagic septicemia
  • Hendra virus
  • Herpes virus of cervididae
  • Herpesvirus
  • Histophilus
  • Histoplasmosis
  • Horse mange (Psoroptes equi)
  • Ibaraki disease
  • Inclusion body hepatitis
  • Infectious bovine rhinotracheitis virus
  • Infectious bronchitis
  • Infectious bursal disease
  • Infectious bursal disease (Gumboro)
  • Infectious coryza
  • Infectious haematopoietic necrosis virus
  • Infectious hematopoietic necrosis
  • Infectious hypodermal and haematopoietic necrosis virus
  • Infectious laryngotracheitis
  • Infectious myonecrosis virus
  • Infectious pancreatic necrosis
  • Infectious salmon anaemia
  • Influenza
  • Influenza, equine
  • Intestinal salmonellosis infections
  • Israel acute paralysis virus
  • Ixodes scapularis
  • Japanese encephalitis
  • Kashmir bee virus
  • Koi herpesvirus
  • Leptospira interrogans
  • Leptospirosis
  • Lesser wax moth (Achroia grisella)
  • Listeria
  • Listeriosis (Listeria monocytogenes)
  • Louping ill
  • Lumpy skin disease
  • Lyme disease (Borrelia burgdorferi)
  • Maedi-Visna (ovine progressive pneumonia)
  • Malignant catarrhal fever (Gammaherpesvirus)
  • Mannheimia
  • Marek's disease
  • Marteilia refringens
  • Marteilia sydneyi
  • Marteiliodes chungmuensis
  • Melioidosis (Pseudoglanders, Burkholderia pseudomallei)
  • Mikrocytos mackini
  • MSX disease (Haplosporidium nelson)
  • Mycobacterium
  • Mycoplasma
  • Mycoplasma gallisepticum (Avian mycoplasmosis)
  • Mycoplasma pneumonia of sheep or goats (Mycoplasma ovipneumoniae)
  • Mycoplasma synovaie
  • Myxomatosis
  • N/A
  • Nairobi sheep disease virus
  • Nairovirus (Crimean-Congo hemorrhagic fever virus)
  • Necrotizing hepatopancreatitis (Hepatobacter penaei)
  • Neorickettsia
  • Newcastle disease virus
  • Nipah virus
  • Nosematosis of bees (Nosema apis)
  • Oncorhynchus masou virus
  • Ostreid herpes virus
  • Other
  • Outbreak or epidemiological change
  • Ovine epididymitis (Brucella ovis)
  • Ovine pulmonary ademonatosis
  • Parainfluenza
  • Paratuberculosis (Johne's disease)
  • Parelaphostrongylus
  • Pasteurella
  • Perkinsus marinus
  • Perkinsus olseni
  • Peste des petits ruminants
  • Plague (Yersina pestis)
  • Porcine epidemic diarrhea
  • Porcine reproductive and respiratory syndrome
  • Potomac horse fever
  • Pseudomonas
  • Pseudorabies (Aujesky’s disease)
  • Pullorum disease (Salmonella pullorum)
  • Q fever (Coxiella burnettii)
  • QPX (Quahog parasite unknown, Cold water disease)
  • Rabbit haemorrhagic disease
  • Rabies
  • Ranavirus
  • Red sea bream iridoviral disease
  • Reovirus
  • Rift Valley fever virus
  • Rinderpest virus
  • Rocky Mountain spotted fever (Rickettsia rickettsii)
  • Rotavirus
  • Sacbrood disease virus
  • Salmonella
  • Salmonella abortus equi
  • Salmonella abortus ovis
  • Salmonella choleraesuis
  • Salmonella Dublin
  • Salmonella Enteritidis
  • Salmonella Heidelberg
  • Salmonella typhimurium
  • Salmonid alphavirus
  • Sapelovirus
  • Scrapie
  • Screwworm
  • Seaside organism (Haplosporidium costale)
  • Senecavirus A
  • Sheep and goat pox
  • Sheep mange (scab)
  • Small hive beetle (Aethina tumida)
  • Spring viremia of carp
  • Staphylococcus
  • Strangles (Streptococcus equi)
  • Streptococcosis iniae
  • Streptococcus
  • Swine delta coronavirus
  • Swine dysentery (Brachyspira hampsonili)
  • Swine dysentery (Brachyspira hyodysenteriae)
  • Swine erysipelas
  • Swine vesicular disease
  • Taura syndrome virus
  • Theileriasis
  • Tick-borne fever (Anaplasma (Cytoecetes) phagocytophilia)
  • Tissue worm (Elaphostrongylus cervi)
  • Toxoplasma
  • Transmissible gastroenteritis (TGE coronavirus)
  • Transmissible spongiform encephalopathies (not CWD, BSE or Scrapie)
  • Trichinella
  • Trueperella
  • Trypanosomiasis
  • Tularemia (Francisella tularensis)
  • Turkey viral hepatitis
  • Turkey viral rhinotracheitis
  • Ulcerative lymphangitis (Corynebacterium pseudotuberculosis)
  • Unknown
  • Varroa mite
  • Venezuelan equine encephalomyelitis
  • Vesicular stomatitis
  • Vibrionic dysentery
  • Viral haemorrhagic septicaemia
  • Warble infestation
  • Wesselsbron’s disease
  • West nile virus
  • Western equine encephalomyelitis
  • Whirling disease (Myxobolus cerebralis)
  • White nose syndrome
  • White spot syndrome virus
  • White sturgeon iridoviral disease
  • White tail disease
  • Withering syndrome of abalone (Xenohaliotis californiensis)
  • Yellow head virus
  • Yersiniosis
Organization - (0/26)
  • Agriculture and Agri-Food Canada (AAFC)
  • Alberta Agriculture and Forestry (AAF)
  • Alberta Agriculture and Rural Development (AARD)
  • Alberta Environment and Parks (AEP)
  • Alberta Government
  • Alberta Veterinary Surveillance Network (AVSN)
  • Animal Health Canada
  • Animal Health Canada Working Group (AHC-WG)
  • Atlantic Veterinary College (AVC)
  • BC Centre for Disease Control (BCCDC)
  • BC Community Bat Program
  • BC Government
  • BC Integrated Surveillance of Foodborne Pathogens (BCIFSP)
  • Canada West Swine Health Information Network (CWSHIN)
  • Canadian Animal Health Surveillance System (CAHSS)
  • Canadian Antimicrobial Resistance Surveillance System (CARSS)
  • Canadian Cow-Calf Surveillance Network (C3SN)
  • Canadian Food Inspection Agency (CFIA)
  • Canadian Intergrated Program for Antimicrobial Resistance Surveillance (CIPARS)
  • Canadian Swine Health Intelligence Network (CSHIN)
  • Canadian Veterinary Medical Association (CVMA)
  • Canadian Wildlife Health Cooperative (CWHC)
  • Canadian Wildlife Service (CWS)
  • Cedar Coast Field Station
  • Community for Emerging and Zoonotic Diseases (CEZD)
  • Council of the Chief Veterinary Officers (CCVO)
  • Équipe québécoise de contrôle des maladies avicoles (EQCMA)
  • Fisheries and Oceans Canada (DFO)
  • FoodNet
  • Manitoba Government
  • N/A
  • National Farmed Animal Health and Welfare Council (NFAHWC)
  • New Brunswick Government
  • Newfoundland and Labrador Government
  • Northwest Territory Government
  • Nova Scotia Government
  • Nunavut Government
  • Ontario Animal Health Network (OAHN)
  • Ontario Government
  • Ontario Ministry of Agriculture, Food, and Rural Affairs (OMAFRA)
  • Ontario Ministry of Natural Resources and Forestry (OMNRF)
  • Ontario Veterinary College (OVC)
  • Ontario Veterinary Medical Association (OVMA)
  • Prairie Diagnostic Services (PDS)
  • Prince Edward Island Government
  • Public Health Agency of Canada (PHAC)
  • Quebec Government
  • Quebec Ministry of Agriculture, Fisheries and Food
  • Quebec Réseau d'alerte et d'information zoosanitaire (RAIZO)
  • Saskatchewan Government
  • Saskatchewan Stock Growers Association (SSGA)
  • United States Government
  • University of Alberta
  • University of Calgary
  • Veterinary Epidemiology and Surveillance Network (VSEN)
  • Western Canadian Animal Health Network (WeCAHN)
  • Western College of Veterinary Medicine (WCVM)
  • Yukon Government
Production System - (0/8)
  • Captive
  • Commercial, large-scale
  • Freeliving
  • Hobby/Pet
  • N/A
  • Other
  • Smallholding
  • Unknown
Media Type - (0/12)
  • Abstract
  • Article/ infographic
  • Case Study
  • Figure
  • Manual
  • Map
  • Memo
  • Minutes
  • N/A
  • Newsletter
  • Other
  • Podcast
  • Presentation
  • Report
  • Scientific publication
  • Table
  • Unknown
  • Veterinary Advisory
  • Video
  • Webinar
  • Website
  • Workshop
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