Ontario provincially notifiable hazards, Immediately notifiable hazards

Ontario provincially notifiable hazards

Reporting and compensation regulations under the Animal Health Act (http://www.e-laws.gov.on.ca/html/statutes/english/elaws_statutes_09a31_e.htm) help Ontario Ministry of Agriculture, Food and Rural Affairs (OMAFRA) detect and respond to animal health events in a timely manner.  The reporting regulation requires that animal health laboratories and veterinarians report certain animal health hazards to OMAFRA immediately and annually. 


Immediately notifiable hazards

Aino virus infection

African horse sickness

African swine fever

Akabane disease

Anaplasmosis (Anaplasmosis marginale, A. centrale, A. ovis)

Anthrax (Bacillus anthracis)

Avian chlamydiosis (Chlamydophila psittaci)

Avian encephalomyelitis

Avian infectious laryngotracheitis



Borna disease


Bovine babesiosis (Babesia protozoa)

Bovine cysticercosis

Bovine ephemeral fever

Bovine petechial fever (Ehrlichia ondiri)

Bovine spongiform encephalopathy (BSE)

Bovine tuberculosis (Mycobacterium bovis)

Brucellosis (Brucella abortus, B. suis, B. melitensis, B. canis)

Chronic wasting disease of cervids (CWD)

Classical swine fever (hog cholera)

Contagious agalactia (Mycoplasma agalactiae, M. mycoides)

Contagious bovine pleuropneumonia  (Mycoplasma mycoides)

Contagious caprine pleuropneumonia (Mycoplasma curriculum)

Contagious equine metritis (Taylorella equigenitalis)

Coxiellosis (also known as Q-Fever) (Coxiella burnetii)


Duck hepatitis

Egg drop syndrome (Fowl adenovirus)

Enterovirus encephalomyelitis (Teschen disease)

Epizootic hemorrhagic disease

Epizootic lymphangitis

Equid herpesvirus 1 (neurologic)

Equine encephalomyelitis, western, eastern and Venezuelan

Equine infectious anemia

Equine piroplasmosis (Babesia equi and B. caballi)

Foot and mouth disease (FMD)

Fowl cholera (Pasteurella multocida)

Fowl typhoid (Salmonella Gallinarum)


Goose parvovirus infection (Derzsy’s disease)


Heartwater (cowdriosis) (Ehrlichia [Cowdria] ruminantium)

Hendra virus

Herpesvirus of cervidae

Ibaraki disease

Influenza (Influenza A virus)

Japanese encephalitis

Listeriosis (Listeria monocytogenes)

Louping ill

Lumpy skin disease

Nairobi sheep disease 

Newcastle disease

Nipah virus

Peste des petits ruminants

Plague (Yersinia pestis)

Pseudorabies (Aujeszky’s disease)

Pullorum disease (Salmonella Pullorum)


Rift Valley fever


Salmonellosis (Salmonellae, sub-typed)



Screwworm (Cochliomyia hominivorax and Chrysomyia bezziana)

Sheep and goat pox

Small hive beetle (Aethina tumida)

Swine vesicular disease


Tick-borne fever (Cytoecetes phagocytophila)

Tissue worm (Elaphostrongylus cervi)


Trypanosomiasis (exotic to Canada)

Tularemia (Francisella tularensis)

Turkey viral rhinotracheitis (also known as

swollen head syndrome and avian rhinotracheitis)

Varroa mite (fluvinate-resistant)

Verocytotoxigenic Escherichia coli (VTEC)

Vesicular stomatitis

Viral hemorrhagic disease of rabbits

Wesselsbron’s disease

West Nile virus 

As of January 1, 2019, all veterinarians and directors of laboratories must report known and suspected cases of avian influenza, novel influenza and Echinococcus multilocularis infections in animals to their local OMH public health unit. Veterinary reporting requirements for all mammal bites, as well as all cases of avian chlamydiosis also remain in place.