Table 3.
Markedly diminished inhibition of post-1943 viruses with antisera to A/Weiss/43, A/Marton/43, and Huston/43 viruses
| Virus
|
Antisera | ||
|---|---|---|---|
| A/Weiss/43 | A/Marton/43 | Huston/43 | |
| Weiss/43 | 1,920 | 2,560 | 2,500 |
| Marton/43 | 320 | 1,760 | 1,280 |
| Huston/43 | 160 | 2,560 | 1,280 |
| DSP/43 | 320 | 1,280 | — |
| FM-1/47 | 28 | 25 | 40 |
| Rhodes/47 | 40 | 10 | 40 |
Reciprocal of HI (H1) endpoint titers of polyclonal rabbit antisera titrated in duplicate. Results are expressed as initial serum dilutions prior to the addition of virus and red blood cells.