TABLE 1.
IC50 values of papaverine were calculated for various strains of influenza virus and paramyxoviruses
| Influenza strain or virus | IC50 (μM) |
|---|---|
| A/WSN/33 (H1N1) | 16.77 |
| B/Lee/40 | 14.34 |
| A/Udorn/72 (H3N2) | 36.41 |
| A/Equine/2/MIAMI/1/63 (H3N8) | 27.36 |
| A/PR/8/34 (H1N1) | 24.54 |
| B/MD/59 | 2.63 |
| RSV | 2.02 |
| PIV5 | 5.5 |
| HPIV3 | 2.6 |
| VSV | NDa |
ND, not determined.