a decreasing trendp ≤ 0.001
Overall, a decreasing trend of proportion of confirmed BU cases (p ≤ 0.001) was reported over the study period from (76.8%) by the end of 2009 reaching 7/48 (14.6%) by the end of 2016 as shown in Table 6 and Fig 5 .
Overall, a decreasing trend of proportion of confirmed BU cases (p ≤ 0.001) was reported over the study period from (76.8%) by the end of 2009 reaching 7/48 (14.6%) by the end of 2016 as shown in Table 6 and Fig 5 .