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. 2018 Jun 5;12(6):e0006560. doi: 10.1371/journal.pntd.0006560

Table 6. Yearly BU case confirmation by PCR.

Variables 2008 2009 2010 2011 2012 2013 2014 2015 2016 Total
No of sampled patients 42 63 495 609 330 283 249 84 48 2203
No of patients positive for PCR 22 48 281 327 136 117 58 24 7 1020
Yearly positive rate 52.3 76.2 56.8 53.7 41.2 41.3 23.3 28.6 14.6 46.3