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Epidemiological Overview of African Swine Fever in Uganda (2001-2012).

Kalenzi Atuhaire D, Ochwo S, Afayoa M, Norbert Mwiine F, Kokas I, Arinaitwe E, Ademun-Okurut RA, Boniface Okuni J, Nanteza A, Ayebazibwe C, Okedi L, Olaho-Mukani W, Ojok L - J Vet Med (2013)

Bottom Line: Additionally, risk factors and the associated characteristics related to the disease were assessed based on semistructured questionnaires sent to the DVOs.The number of reported ASF outbreaks changed over time and by geographical regions; however, no outbreak was reported in the North-Eastern region.Pig movements due to trade (OR 15.5, CI 4.9-49.1) and restocking (OR 6.6, CI 2.5-17.3) were the major risk factors.

View Article: PubMed Central - PubMed

Affiliation: College of Veterinary Medicine, Animal Resources and Biosecurity, Makerere University, P.O. Box 7062, Kampala, Uganda ; National Agricultural Research Organization, National Livestock Resources Research Institute, P.O. Box 96, Tororo, Uganda.

ABSTRACT
African swine fever (ASF) is a contagious viral disease, which can cause up to 100% mortality among domestic pigs. In Uganda there is paucity of information on the epidemiology of the disease, hence a study was carried out to elucidate the patterns of ASF outbreaks. Spatial and temporal analyses were performed with data collected monthly by the district veterinary officers (DVOs) and sent to the central administration at MAAIF from 2001 to 2012. Additionally, risk factors and the associated characteristics related to the disease were assessed based on semistructured questionnaires sent to the DVOs. A total of 388 ASF outbreaks were reported in 59 districts. Of these outbreaks, 201 (51.8%) were reported in districts adjacent to the national parks while 80 (20.6%) were adjacent to international borders. The number of reported ASF outbreaks changed over time and by geographical regions; however, no outbreak was reported in the North-Eastern region. ASF was ranked as second most important disease of pigs, and it occurred mostly during the dry season (P = 0.01). Pig movements due to trade (OR 15.5, CI 4.9-49.1) and restocking (OR 6.6, CI 2.5-17.3) were the major risk factors. ASF control strategies should focus on limiting pig movements in Uganda.

No MeSH data available.


Related in: MedlinePlus

Map of Uganda showing distribution of ASF outbreaks (2001-2012), national parks, national borders, and regions.
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fig1: Map of Uganda showing distribution of ASF outbreaks (2001-2012), national parks, national borders, and regions.

Mentions: Uganda is landlocked and shares borders with Southern Sudan (435 km) on the northern side, Democratic Republic of Congo (DRC, 765 km) on the western side, Tanzania (396 km) and Rwanda (169 km) on the southern side, and Kenya (933 km) on the eastern side (Figure 1). The total number of districts adjacent to the international borders reporting ASF outbreaks was 18. Eighty (20.6%) ASF outbreaks occurred in 18 districts along the international borders compared to 308 outbreaks that occurred in districts that did not share an international border. The number of ASF outbreaks varied between the different international borders, the highest being adjacent with DRC (31 outbreaks in eight districts) and Tanzania borders (26 outbreaks in 2 districts) while only 3 districts bordering Kenya reported 13 outbreaks. The lowest number of ASF outbreaks was reported among the districts bordering Rwanda (one outbreak in one district) and Southern Sudan (9 outbreaks in 4 districts).


Epidemiological Overview of African Swine Fever in Uganda (2001-2012).

Kalenzi Atuhaire D, Ochwo S, Afayoa M, Norbert Mwiine F, Kokas I, Arinaitwe E, Ademun-Okurut RA, Boniface Okuni J, Nanteza A, Ayebazibwe C, Okedi L, Olaho-Mukani W, Ojok L - J Vet Med (2013)

Map of Uganda showing distribution of ASF outbreaks (2001-2012), national parks, national borders, and regions.
© Copyright Policy - open-access
Related In: Results  -  Collection

Show All Figures
getmorefigures.php?uid=PMC4590872&req=5

fig1: Map of Uganda showing distribution of ASF outbreaks (2001-2012), national parks, national borders, and regions.
Mentions: Uganda is landlocked and shares borders with Southern Sudan (435 km) on the northern side, Democratic Republic of Congo (DRC, 765 km) on the western side, Tanzania (396 km) and Rwanda (169 km) on the southern side, and Kenya (933 km) on the eastern side (Figure 1). The total number of districts adjacent to the international borders reporting ASF outbreaks was 18. Eighty (20.6%) ASF outbreaks occurred in 18 districts along the international borders compared to 308 outbreaks that occurred in districts that did not share an international border. The number of ASF outbreaks varied between the different international borders, the highest being adjacent with DRC (31 outbreaks in eight districts) and Tanzania borders (26 outbreaks in 2 districts) while only 3 districts bordering Kenya reported 13 outbreaks. The lowest number of ASF outbreaks was reported among the districts bordering Rwanda (one outbreak in one district) and Southern Sudan (9 outbreaks in 4 districts).

Bottom Line: Additionally, risk factors and the associated characteristics related to the disease were assessed based on semistructured questionnaires sent to the DVOs.The number of reported ASF outbreaks changed over time and by geographical regions; however, no outbreak was reported in the North-Eastern region.Pig movements due to trade (OR 15.5, CI 4.9-49.1) and restocking (OR 6.6, CI 2.5-17.3) were the major risk factors.

View Article: PubMed Central - PubMed

Affiliation: College of Veterinary Medicine, Animal Resources and Biosecurity, Makerere University, P.O. Box 7062, Kampala, Uganda ; National Agricultural Research Organization, National Livestock Resources Research Institute, P.O. Box 96, Tororo, Uganda.

ABSTRACT
African swine fever (ASF) is a contagious viral disease, which can cause up to 100% mortality among domestic pigs. In Uganda there is paucity of information on the epidemiology of the disease, hence a study was carried out to elucidate the patterns of ASF outbreaks. Spatial and temporal analyses were performed with data collected monthly by the district veterinary officers (DVOs) and sent to the central administration at MAAIF from 2001 to 2012. Additionally, risk factors and the associated characteristics related to the disease were assessed based on semistructured questionnaires sent to the DVOs. A total of 388 ASF outbreaks were reported in 59 districts. Of these outbreaks, 201 (51.8%) were reported in districts adjacent to the national parks while 80 (20.6%) were adjacent to international borders. The number of reported ASF outbreaks changed over time and by geographical regions; however, no outbreak was reported in the North-Eastern region. ASF was ranked as second most important disease of pigs, and it occurred mostly during the dry season (P = 0.01). Pig movements due to trade (OR 15.5, CI 4.9-49.1) and restocking (OR 6.6, CI 2.5-17.3) were the major risk factors. ASF control strategies should focus on limiting pig movements in Uganda.

No MeSH data available.


Related in: MedlinePlus