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Table 1 Rates of seropositivity to Getah virus among pigs in south Ibaraki in autumn 2012–2015

From: Geospatial and temporal associations of Getah virus circulation among pigs and horses around the perimeter of outbreaks in Japanese racehorses in 2014 and 2015

Year   Sep. Oct. Nov. Dec. Total
2012 No. samples 0/17 (0%)a - 1/47 (2.1%) 0/36 (0%) 1/100 (1.0%)
  No. batches 0/2 - 1/4 0/2 1/8
2013 No. samples 0/25 (0%) 0/41 (0%) 0/26 (0%) 0/5 (0%) 0/97 (0%)
  No. batches 0/2 0/4 0/2 0/1 0/9
2014 No. samples 6/30 (20.0%) 12/21 (57.1%) 1/15 (6.7%) - 19/66 (28.8%)
  No. batches 1/2 2/2 1/1 - 4/5
2015 No. samples 2/6 (33.3%) 53/83 (63.9%) 20/26 (76.9%) 2/2 (100.0%) 77/117 (65.0%)
  No. batches 1/1 2/2 3/3 1/1 7/7
  1. aNo. of positive samples/No. of tested samples (positivity rate)
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