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Table 3 Observed seropositive rates are reported in percent of total samples from that year for each pathogen. There was only one representative sample from the year 2009, therefore statistics for that year are not included in the chart

From: Serosurveillance of viral pathogens circulating in West Africa

   Seroprevalence rate (% of total each year)
Year Total samples LASV EBOV MARV RVFV CCHFV Pan-flavivirus Pan-alphavirus
2007 51 41 0 8 0 0 49 61
2008 151 57 3 23 1 1 38 68
2010 195 51 7 7 1 2 67 65
2011 153 36 5 6 3 3 39 32
2012 66 67 10 13 1 1 64 63
2013 41 61 2 0 0 2 73 49
2014 19 37 0 0 11 5 47 26