First Report of Hepatitis E Virus Infection in Sika Deer in China

Table 1

Seroprevalence of hepatitis E virus (HEV) infection in sika deer (Cervus nippon) in different region, gender, and season by enzyme linked immunosorbent assay (ELISA).

Variable	Category	Number of examined deer	Number of positive deer	Prevalence (%) (95% CI)	value	OR (95% CI)
Gender	Male	540	26	4.82 (3.01–6.62)	0.29	Reference
	Female	307	20	6.52 (3.75–9.28)		1.38 (0.76–2.51)
Region	Harbin	208	14	6.73 (3.33–10.14)	0.36	Reference
	Changchun	316	20	6.33 (3.64–9.01)		0.94 (0.46–1.90)
	Jilin City	163	7	4.29 (1.18–7.41)		0.62 (0.25–1.58)
	Chifeng	160	5	3.13 (0.43–5.82)		0.45 (0.16–1.27)
Season	Autumn	620	35	5.65 (3.83–7.46)	0.65	Reference
	Winter	227	11	4.85 (2.05–7.64)		0.85 (0.43–1.71)
Total		847	46	5.43 (3.91–6.96)