Table 3.

Measles surveillance performance, measles incidence and age patterns by country, 2012 - 2017

	Year	% districts reporting (target ≥ 80%)	NMFRI rate per 100,000 population (target ≥ 2:100,000)	# of suspected measles cases	Blood specimens collected	# confirmed measles	Measles incidence/ million population	% confirmed measles aged < 5 years	Mean (median) age of confirmed measles cases
Guinea	2012	95%	1.0	140	140	7	0.6	43%	4.5 (5) years
	2013	97%	0.9	163	163	39	3.3	74%	3.5 (2) years
	2014	97%	0.4	266	266	35	2.9	83%	3.1 (2) years
	2015	39%	0.2	48	48	29	2.7	61%	4.2 (3) years
	2016	97%	2.7	636	628	128	11.5	65%	4 (3) years
	2017	100%	6.1	1268	1268	583	52.5	70%	4.2 (3) years
Liberia	2012	88%	1.0	42	41	4	0.1	67%	12.6 (7) years
	2013	44%	0.5	20	20	0	0.0
	2014	6%	0.1	3	3	0	0.0
	2015	13%	1.1	479	12	436	108.5	60%	5.3 (3) years
	2016	31%	1.1	449	269	400	97.4	43%	9.4 (5) years
	2017	88%	0.4	409	328	96	23.4	27%	8.9 (7 years)
Sierra Leone	2012	93%	1.2	123	123	42	0.6	56%	5.8 (4) years
	2013	93%	0.6	59	59	13	2.1	62%	4.4 (4) years
	2014	93%	1.7	150	150	44	6.9	68%	4.2 (2.5) years
	2015	93%	1.9	266	266	128	18.0	61%	6 (4) years
	2016	87%	2.9	414	414	195	26.7	46%	7.4 (5) years
	2017	93%	6.2	536	536	76	10.4	22%	7.8 (7) years