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Table 1 Epidemiological information from farms that were affected with ASFV outbreaks between 2015 and 2017 in Tanzania

From: Persistent domestic circulation of African swine fever virus in Tanzania, 2015–2017

Location Distance (km)a Region Outbreak month Morbidity Mortality Herd size Apparent case fatality (%) rate No. of pigs sampled No. of positive pigs Type of operation Breed Age affected Management system
Mwanza 5 Mwanza Dec-15 480 480 700 100 200 200 Commercial farm Cross All age groups Intensive system
Manyoni 4 Singida May-15 80 68 100 85 65 55 Backyard farm Cross All age groups Intensive system
Kigoma 3 Kigoma May-15 58 40 78 69 40 29 Backyard farm Cross All age groups Intensive system
Bukoba 12 Kagera Dec-15 90 76 136 84 54 51 Backyard farm Exotic All age groups Semi-intensive system
Magu 3 Mwanza Jul-16 100 94 130 94 50 50 Backyard farm Cross All age groups Intensive system
Ngara 4 Kagera Jul-16 50 39 98 78 30 30 Backyard farm Cross Adults Intensive system
Babati 3 Manyara Aug-16 57 42 87 74 38 38 Backyard farm Local All age groups Intensive system
Mbarali 5 Mbeya Mar-16 123 118 150 96 112 110 Backyard farm Cross All age groups Intensive system
Tukuyu 2 Mbeya Feb-16 150 135 160 90 120 70 Commercial farm Cross, Exotic All age groups Intensive system
Uyole 2 Mbeya Feb-16 65 60 87 92 30 30 Backyard farm Cross All age groups Intensive system
Kalambo 46.7 Rukwa Mar-17 163 140 195 86 120 110 Backyard farm Local All age groups Free ranging system
Ileje 74.3 Mbeya Mar-17 35 33 58 94 33 33 Backyard farm Cross Adults Intensive system
Mbozi 8 Mbeya Mar-17 350 348 370 99 100 87 Commercial farm Cross All age groups Intensive system
Kongwa 16 Dodoma May-17 167 167 180 100 160 100 Commercial farm Cross All age groups Intensive system
Dodoma 14 Dodoma May-17 120 120 130 100 110 80 Backyard farm Cross All age groups Intensive system
Mpwapwa 58 Dodoma May-17 340 320 500 94 200 194 Backyard farm Cross All age groups Intensive system
Gairo 1 Dodoma Apr-17 140 127 165 91 98 95 Backyard farm Cross All age groups Intensive system
Mbagala 15 Dar es Salaam Feb-17 230 220 240 96 200 200 Backyard farm Cross All age groups Intensive system
Mazimbu 5 Morogoro May-17 1210 1210 1220 100 360 360 Commercial farm Cross All age groups Intensive system
Mzumbe 7 Morogoro May-17 300 290 340 97 100 100 Commercial farm Cross All age groups Intensive system
Morogoro 6 Morogoro May-17 69 64 76 93 56 38 Backyard farm Exotic All age groups Intensive system
Kibaha 2 Pwani May-17 234 234 400 100 120 110 Commercial farm Cross All age groups Intensive system
  1. aDistance of the farm where ASF outbreak occurred from the major highway