TABLE 3.
MARV Angola antigen immunohistochemistry resultsa
| Day of group sacrifice | IHC result for: |
Presence of rash on haired skinb | ||||
|---|---|---|---|---|---|---|
| Tonsil (TALT and BALT) | Lymph node (tracheobronchial and mediastinal) | Spleen | Liver | Lung | ||
| 1 | − | − | − | − | − | None |
| 1 | − | − | − | − | − | None |
| 1 | − | − | NA | − | − | None |
| 3 | − | + | NA | − | − | None |
| 3 | − | + | − | − | − | None |
| 3 | − | ++ | − | − | − | None |
| 5 | + | ++ | + | ++ | − | None |
| 5 | − | +++ | ++ | ++ | + | None |
| 5 | − | +++ | + | ++ | + | None |
| 7 | − | +++ | +++ | +++ | + | None |
| 7 | + | +++ | +++ | +++ | + | − |
| 7 | + | +++ | +++ | +++ | + | − |
| 8 | + | +++ | +++ | +++ | + | − |
| 9 | + | +++ | +++ | +++ | + | − |
| 9 | + | +++ | +++ | +++ | + | − |
a
−, negative; +, minimal to mild (approximately 1 to 100 positive cells per 200× field); ++, moderate (approximately 100 to 500 positive cells per 200× field); +++, marked (approximately 500+ positive cells per 200× field); TALT, trachea-associated lymphoid tissue; BALT, bronchus-associated lymphoid tissue.
b
None means there was no rash on the skin to analyze; a minus sign means there was a rash but it was negative for IHC.