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Table 2 Impact of MDA on microfilaria prevalence at sentinel 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 IUsa Year of post-MDA survey No. of sentinel sites mf prevalence (range) Overall mf prevalence (%) No. of sentinel sites with mf prevalence < 1%         > = 1%
Magway 04 2001 04 1.18–7.1 4.7 0 4
2002 04 0.19–9.17 3.9 1 3
2003 04 0.19–4.0 2.6 1 3
2004 04 0.0–2.5 1.45 1 3
2005 04 0.4–3.4 1.8 1 3
2007 04 0.0–2.5 1.1 2 2
2008 04 0.0–2.8 1.12 3 1
2010 04 0.0–2.7 1.45 2 2
2011 04 0.0–0.4 0.2 4 0
2012 02 0.8–2.2 1.5 1 1
2014 01 0.33 0.33 1 0
Sagaing 06 2002 06 3.0–15.1 7.9 0 6
2004 06 0.6–4.7 2.6 1 5
2007 06 0.0–3.6 1.43 2 4
2009 06 0.0–2.1 0.9 4 2
2010 02 0.0–1.7 0.8 1 1
2012 01 0.79 0.79 1 0
2014 05 0.0–1.89 1.1 3 2
Mandalay 07 2003 10 0.2–14.7 5.0 3 7
2011 13 0.0–8.8 2.7 5 8
2014 12 0.0–3.2 1.19 6 6
Rakhine 04 2003 06 0.0–12.6 3.0 2 4
2007 08 0.0–2.8 0.57 6 2
2009 07 0.0–0.8 0.26 7 0
  1. IU implementation unit, MDA mass drug administration, mf microfilaria
  2. aIn Magway, MDA started in 02 IUs in 2001, later 02 more IUs were added in 2002; In Sagaing MDA started in 06 IUs, later stopped in 03 IUs in 2009; In Rakhine, MDA started in 04 IUs, later stopped in all 04 IUs in 2009