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Table 3 Impact of MDA on microfilaria prevalence at spot-check sites in four endemic regions/states of Myanmar

From: Rapid progress towards elimination of lymphatic filariasis in endemic regions of Myanmar as a result of 16 years of anti-filarial activities (2001–2016)

Region/state No of endemic IUs Year of post-MDA survey No. of spot-check sites mf prevalence (range) Overall mf prevalence (%) No. of sites with mf < 1%            > = 1%
Magway 04 2003 05 0.0–7.6 2.2 3 2
2004 04 0.6–2.8 1.7 1 3
2005 04 3.0–7.2 5.1 0 4
2006 04 0.2–1.4 0.6 3 1
2008 04 1.9–2.5 1.3 0 4
2009 02 0.0–0.8 0.4 2 0
2012 07 0.0–6.6 1.2 4 3
2014 01 0.6 0.6 1 0
Sagaing 06 2004 06 0.0–6.6 2.6 4 2
2007 06 0.0–5.6 2.7 1 5
2008 04 0.2–5.6 2.0 2 2
2009 06 0.0–5.6 1.5 4 2
2014 05 0.0–0.0 0.0 5 0
Mandalay 07 2011 04 0.0–3.8 1.5 2 2
2014 01 0.0 0.0 1 0
Rakhine 04 2008 04 0.0–0.6 0.3 4 0
2010 04 0.0–0.6 0.2 4 0
2015 02 0.0 0.0 2 0
  1. IU implementation unit, MDA Mass Drug Administration, mf microfilaria
  2. In Magway, MDA started in 02 IUs in 2001, later 02 more IUs were added in 2002
  3. In Sagaing MDA started in 06 IUs, later stopped in 03 IUs in 2009
  4. In Rakhine, MDA started in 04 IUs, later stopped in all 04 IUs in 2009