TABLE 2.
Viral particles in HSV-1-infected human fetal axons, varicosities, and growth conesa
| Virus | Total no. of: |
Count of: |
||||
|---|---|---|---|---|---|---|
| Axons | Var/GC | U/C in mid-axonsb | U/C in Var/GC | E/C in Var/GC | Ab E/C in Var/GC | |
| US9− | 2,445 (517) | 779 (147) | 8 (2) | 52 (27) | 1 (1) | |
| KOS | 2,825 | 1,139 | 26 | 49 | 3 | 4 |
| US9R | 805 | 158 | 10 | 23 | 10 | |
| Strain F | 755 | 100 | 10 | 10 | 5 | |
| Strain 17 | 1,200 | 352 | 6 | 15 | 49 | |
a
Var/GC, varicosities/growth cones; U/C, unenveloped capsids; E/C, enveloped capsids; Ab, aberrant enveloped capsids. Counts using rat DRG axons are given in parentheses.
b
No enveloped capsids were observed in mid-axons.