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Table 1 IRS implementation schedule and insecticide usage for the PMI IRS programme, Northern Ghana 2008–2014

From: A reduction in malaria transmission intensity in Northern Ghana after 7 years of indoor residual spraying

Districts Insecticide used and spray coverage (%)
Calendar year: Pre-2008 2008 2009 2010 2011 2012 2013 2014
IRS year:   1 2 3 4 5 6 7
Savelugu-Nanton District (SND) No IRS Alphacypermethrin
(88.4%)
Alphacypermethrin
(93.6%)
Deltamethrin
(98.7%)
Alphacypermethrin
(87.5%)
Pirimiphos-methyl CS
(89.7%)
Pirimiphos-methyl CS
(91.1%)
Pirimiphos-methyl CS
(68.0%)
Tolon-Kumbungu District (TKD) No IRS Alphacypermethrin
(91.3%)
Alphacypermethrin
(93.4%)
Deltamethrin
(98.0%)
Alphacypermethrin (91.1%) Alphacypermethrin (91.9%) No IRS No IRS
Tamale Metropolis (TML) No IRS No IRS No IRS No IRS No IRS No IRS No IRS No IRS
Entomological monitoring
All districts None Periodic Monthly (post-IRS) Monthly Monthly Monthly Monthly Monthly
  1. Percentages in parenthesis = yearly IRS coverage of sprayable houses