The detection of HCV RNA positive strand was shown for 1, 7 and 10
d.p.i. For HCV RNA positive strand detection, (+++) indicates >5,000 vge/μg RNA, (++) between 500 and 5,000 vge/μg RNA, (+) between 50 and
500 vge/μg RNA, and (+/−) below 50 vge/μg RNA.