  
<prompt> Trends in malaria prevalence among children
 Percentage of children age 6-59 months who tested positive for malaria by microscopy 
 [["2010 NMIS", 42], ["2015 NMIS", 27], ["2018 NDHS", 23]] 
 <response> The prevalence of malaria (according to microscopy) among children age 6-59 months declined from 42% in 2010 to 23% in 2018, with an average decline of 2.3% per annum.  