Fig. 1.
HTLV-I standard curve.
HTLV-I standard curve (black) and prefiltration and postfiltration data (red) on whole blood units (A) spiked with MT-2 cells and filtered on day 1 (nā=ā8) and (B) and the asymptomatic carrier designated no. 1 in Table 2. Results are expressed as the threshold cycle at which a predetermined signal is exceeded.