TABLE 1.

Time of maximum susceptibility

Day of infectiona	RT-PCRb
	Well A	Well B
1	1.2 × 107	2.1 × 107
3	3.3 × 107	1.4 × 107
7	7.0 × 105	7.1 × 105
14	3.2 × 105	3.8 × 105

^aCultures were infected on various days after plating and were harvested 7 days after infection. 

^bTaqMan value, expressed in genome equivalents of GBV-B RNA per infected culture.