Serologic evidence of human exposure to the severe fever with thrombocytopenia syndrome virus and associated viruses in Kenya

Figures & data

Table 1. Seroprevalence of severe fever with thrombocytopenia syndrome virus in Kenya based on ELISA and MNT results.

	ELISA		MNT
Category	No.positive/No.tested	Prevalence% (95% CI)	No.positive/No.ELISA postive	Prevalence% (95% CI)
Province
Garissa	38/68	55.9 (44.1-67.1)	0/38	0
Tana River	72/138	52.2 (43.9-60.3)	2/72	2.8 % (0.5-9.6)
Marsabit	9/19	47.4 (27.3-68.3)	1/9	11.1% (0.6-43.5)
Mandera	7/18	38. 9 (20.3-61.4)	0/7	0
Wajir	14/45	31.1 (19.5-45.7)	0/14	0
Samburu	8/43	18.6 (9.7-32.6)	0/8	0
Isiolo	8/48	16.7 (8.7-29.6)	1/8	12.5% (0.6-47.1)
Turkana	4/38	10.5 (4.2-24.1)	0/4	0
West Pokot	2/37	5.4 (1.0-17.7)	0/2	0
Laikipia	0/5	0	–	–
Sex
Male	74/219	33.8 (27.9-40.3)	2/74	2.7% (0.5-9.3)
Female	88/229	38.4 (32.4-44.9)	2/88	2.3% (0.4-7.9)
Age, year
3-14	6/14	42.7 (21.4-67.4)	0/6	0
15-24	16/51	31.3 (20.2-45.2)	0/16	0
25-34	26/91	28.6 (20.3-38.6)	0/26	0
35-44	30/92	32.6 (23.9-42.7)	1/30	3.3% (0.17-16.7)
45-54	18/72	25.0 (16.4-36.1)	1/18	5.6% (0.3-25.8)
55-64	28/55	50.9 (38.1-63.6)	2/28	7.1% (1.8-22.7)
≥65	27/60	45.0 (33.1-57.5)	0/27	0
Total	162/459	35.3% (31.1-39.8)	4/162	2.47% (1.0-6.2)

Figure 1. Seroprevalence of severe fever with thrombocytopenia syndrome virus in Kenya determined by ELISA results. The regions where individuals with neutralisation activity to SFTSV were identified are indicated by a yellow cross-shaped star.