Table 1.

Percentages of vector-bearing cells in blood and bone marrow cells

Cell fraction	Months
	21	24	25	27	30.5	32	33
Blood
Whole blood (%)	6.3	7.0	7.4	8.5	10.7	10.9	10.8
T lymphocytes (%)	0.9	0.7	1.1	1.3	1.7	1.7	1.7
B lymphocytes (%)	5.3	5.7	6.6	9.3	13.5	9.5	9.3
Granulocytes-monocytes (%)	12.3	13.1	14.9	16.2	15.6	19.3	18.7
Erythroblasts (%)	1.9	2.1	2.2	1.8	2.8	3.3	2.9
Bone marrow
Whole bone marrow (%)	11.5	13.5	–	–	–	–	–
BFU-E (%)	20.0	10.6	–	–	–	–	–
CFU-GM (%)	18.2	13.0	–	–	–	–	–
Erythroblasts (%)	–	9.8	–	–	–	–	–
LTC-ICs (%)	–	11.1	–	–	–	–	–