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Table 1 Seroprevalence of BTV infection in dairy cattle in the Republic of Korea (2012–2013)

From: Serological evidence of bluetongue virus infection and serotype distribution in dairy cattle in South Korea

    Dairy cattle (herds)   Dairy cattle (individuals) Serotype
Province Latitude (N) Longitude (E) Positivea Tested APb Positive Tested AP TP ± 95% CI SNTd RNA (number)e
Incheon 36°55'-37°58' 124°36'-126°47' 0 3 0 0 9 0 0 - 29.9 - -
Ulsan 35°19'-35°43' 128°58'-129°27' 0 4 0 0 12 0 0 - 24.3 - -
Gyeonggi 36°53'-38°17' 126°22'-127°51' 7 37 18.9 18 109 16.5 10.7 - 24.6 1, 2, 3, 4, 7, 15 2 (2), 15 (1)
Gangwon 38°09'-39°25' 126°46'-128°22' 0 14 0 0 31 0 0 - 11.0 - -
Chungbuk 37°15'-36°00' 127°16'-128°38' 2 14 14.3 3 33 9.1 3.1 - 23.6 1, 4 1 (1), 3 (1)
Chungnam 35°58'-37°03' 125°32'-127°38' 8 32 25.0 19 111 17.1 11.2 - 25.2 1, 2, 3, 4, 7, 15 2 (1), 3 (2), 15 (1)
Jeonbuk 35°18'-36°09' 125°58'-127°54' 6 13 46.2 14 37 37.8 24.1 - 53.9 1, 3, 4 NDf
Jeonnam 33°54'-35°30' 125°04'-127°54' 7 17 41.2 17 41 41.5 27.8 - 56.6 3, 16 16 (1)
Gyeongbuk 35°34'-37°33' 127°48'-131°52' 2 16 12.5 4 34 11.8 4.7 - 26.6 2, 15 2 (1)
Gyeongnam 34°39'-35°54' 127°35'-129°28' 3 16 18.8 5 36 13.9 6.9 - 28.7 4 NDf
Jeju 33°06'-34°00' 126°08'-126°58' 2 5 40.0 5 13 38.5 17.7 - 64.5 1, 3 1 (1), 3 (1)
Total 33°06'-39°25' 124°36'-131°52' 37 171 21.6 85 466 18.2 15.0 - 22.0   
  1. aNumber of seropositive herds or animals (individuals); bAP, apparent (estimated) prevalence; cTP ± 95% CI, 95% confidence interval for the true proportion; dSerotypes identified by serum neutralization tests; eBTV serotype identified by RT-PCR for blood sample; fND, not detected