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889
Total Reported Outbreaks
32
Total Affected Countries
4
Total Affected Species
Key Facts
Clinical Signs
Treatment and Management
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African Swine Fever is a very important viral disease affecting all ages of domestic and wild pigs and is currently the greatest threat to the global pig sector.


(Information on this page is adapted from ASF animations)

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African Swine Fever (ASF)

African Swine Fever (ASF) is present in Africa, Europe and Asia, which house 70% of the global pig population. Find out where the latest reported outbreaks are with this map.

Key Facts
Clinical Signs

The disease may present in different ways. In a naïve situation, only a small amount of virus may enter a farm, which means that initially only a few animals might be affected (e.g. 5-10). This is then followed by much higher numbers of affected animals as the virus spreads throughout the farm. In this situation the acute/peracute form is most commonly seen with animals showing high fever, lethargy, and haemorrhagic skin lesions (i.e. ears, feet, lower belly). Other forms of the disease include subacute and asymptomatic.

Treatment

There is no specific treatment to cure animals with ASF.

Management

The virus is very resistant in the environment and without an effective vaccine the management of the disease currently focusses on preventing outbreaks through good biosecurity. Double fencing and quarantine help prevent direct spread, whilst cleaning and disinfection of vehicles plus changing clothing for farm visitors help prevent indirect spread. It is essential to stop naïve animals contacting any kind of food that may contain pork products, so all human food must be disposed of appropriately. Kitchen scraps must not be fed to pigs and all tourists/travellers must adhere to advice regarding carrying certain foods whilst travelling. Raising awareness of the disease at all levels is important.

Piglets in an indoor enclosure, which could be susceptible to african swine fever
Focus on…
Focus On… African Swine Fever – What to Expect?
African swine fever is no doubt one of the major animal health challenges worldwide. In today’s globalized world, any country with a pig or wild boar population could be next…
Latest Articles and Events
Knowledge Hub
Leavepiece - International Veterinary Health (IVH) team of MSD Animal Health
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Animation - OIE - Travel responsibly to avoid carrying the African Swine Fever virus
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Podcast Episode 1 - The One About RITA
During this first episode we hear from John Atkinson of MSD Animal Health and Lea Knopf of the WHO of their experiences at the recent Rabies in the Americas conference. We also discuss some of the possible impacts of the spread of African Swine Fever.
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Video - Interview with Prof. Vizcaino - African swine fever (ASF) biosecurity measures on farm
Interview with Prof. Vizcaino - African swine fever (ASF) biosecurity measures on farm
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Animation - African swine fever (ASF) - 3: ASF forms and clinical picture
African swine fever (ASF) - 3: ASF forms and clinical picture
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Animation - African swine fever (ASF) - 2: Virus route of entry and diffusion
African swine fever (ASF) - 2: Virus route of entry and diffusion
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Animation - African swine fever (ASF) - 1: History and virus characteristics
African swine fever (ASF) - 1: History and virus characteristics
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Leaflets - FAO - African swine fever (ASF) awareness (various languages)
FAO - African swine fever (ASF) awareness (various languages) leaflets
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