Table 3.

Viral load data for the four HEV strains

Virus strain	Sample	Nominal concn (log10 copies/ml)	No. of samples	Observed viral load (log10 copies/ml)
				Geometric mean	SD	95% CIa	Median	Minimum	Maximum
HRC-HE104	13	6.2	12	5.84	0.64	5.43, 6.24	5.77	4.82	7.48
	11	5.2	12	4.74	0.68	4.31, 5.17	4.72	3.63	6.40
	3	4.2	11	3.85	0.67	3.40, 4.30	3.84	3.11	5.64
	18	3.2	9	3.04	0.66	2.53, 3.54	2.96	2.40	4.49
	17	2.2	6	1.98	0.37	1.59, 2.37	1.94	1.43	2.40
	19	1.2	4	0.10	1.27	−1.93, 2.12	0.00	−1.00	1.38
JRC-HE3	20	6.4	12	6.16	0.72	5.70, 6.61	6.15	4.43	7.70
	23	5.4	12	5.07	1.09	4.38, 5.76	5.14	2.15	7.00
	4	4.4	12	4.21	0.67	3.79, 4.63	4.27	2.60	5.58
	12	3.4	10	3.40	0.60	2.97, 3.83	3.20	2.92	5.00
	10	2.4	6	2.43	1.03	1.35, 3.52	2.36	1.26	4.11
	6	1.4	3	1.40	2.39	−4.53, 7.34	1.43	−1.00	3.78
RKI	1	5.1	12	4.63	0.59	4.26, 5.01	4.57	3.91	6.26
	8	4.1	10	3.77	0.61	3.33, 4.21	3.63	3.20	5.26
	2	3.1	9	2.83	0.69	2.30, 3.37	2.63	1.77	4.28
	16	2.1	6	1.68	1.54	0.06, 3.30	1.80	−1.00	3.28
	21	1.1	3	−0.32	1.18	−3.25, 2.61	−1.00	−1.00	1.04
HRC-HE15	5	5.0	12	4.56	0.69	4.12, 5.00	4.44	3.28	6.28
	14	4.0	10	3.40	0.38	3.13, 3.67	3.44	2.63	4.04
	9	3.0	8	1.83	1.85	0.28, 3.38	2.46	−1.00	4.20
	15	2.0	6	1.02	1.83	−0.90, 2.94	1.35	−1.00	3.85
	22	1.0	3	−1.00	0.00		−1.00	−1.00	−1.00

^a95% CI, 95% confidence interval for the geometric mean.