Human metapneumovirus prevalence and patterns of subgroup persistence identified through surveillance of pediatric pneumonia hospital admissions in coastal Kenya, 2007–2016

Table 1 Number of samples tested for HMPV and cases positives per year from 2007 to 16 amongst pneumonia paediatric admissions to Kilifi County Hospital, Kenya

Year	Admissions^a	Eligible^b	Tested^c	HMPV Positive	HMPV Prevalence (95% CI)
2007	3506	1174	726	21	2.90 (1.80–4.39)
2008	3204	1009	435	34	7.80 (5.47–10.75)
2009	3633	1105	526	46	8.70 (6.47–11.49)
2010	3091	1090	903	27	3.00 (1.98–4.32)
2011	3005	906	730	32	4.40 (3.02–6.13)
2012	2715	863	943	50	5.30 (3.96–6.93)
2013	2074	566	540	28	5.20 (3.47–7.41)
2014	2947	797	695	18	2.60 (1.54–4.06)
2015	3029	793	658	8	1.20 (0.53–2.38)
2016	2803	776	600	10	1.70 (0.80–3.04)
Overall	30,007	9079	6756	274	4.10

Abbreviations: CI Confidence intervals, HMPV Human metapneumovirus
a. Admissions under 5 years of age; b. Cases of severe or very severe pneumonia amongst the admissions [29]; c. Samples eligible for testing from the pneumonia admissions included only residents from within the Kilifi Health and Demographic Surveillance System (KHDSS) for years 2007–9, and residents or non-residents for other years

ISSN: 1471-2334