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Table of endpoint titres for sera tested in duplicate,
in a two-fold dilution series, based on wells having OD equal
to or less than the 50% threshold. (+ = £ threshold, - > threshold).
|
16
|
32
|
64
|
128
|
256
|
512
|
1024
|
2048
|
= reciprocal final dilutions
|
| - |
- |
- |
- |
- |
- |
- |
- |
< 1/16=final titre
|
| - |
- |
- |
- |
- |
- |
- |
- |
|
| |
|
|
|
|
|
|
|
|
| + |
- |
- |
- |
- |
- |
- |
- |
1/16 = final titre
|
| - |
- |
- |
- |
- |
- |
- |
- |
|
| |
|
|
|
|
|
|
|
|
| + |
- |
- |
- |
- |
- |
- |
- |
1/22 = final titre
|
| + |
- |
- |
- |
- |
- |
- |
- |
|
| |
|
|
|
|
|
|
|
|
| + |
+ |
- |
- |
- |
- |
- |
- |
1/32 = final titre
|
| + |
- |
- |
- |
- |
- |
- |
- |
|
| |
|
|
|
|
|
|
|
|
| + |
+ |
- |
- |
- |
- |
- |
- |
1/45 = final titre
|
| + |
+ |
- |
- |
- |
- |
- |
- |
|
| |
|
|
|
|
|
|
|
|
| + |
+ |
+ |
- |
- |
- |
- |
- |
1/64 = final titre
|
| + |
+ |
- |
- |
- |
- |
- |
- |
|
| |
|
|
|
|
|
|
|
|
| + |
+ |
+ |
- |
- |
- |
- |
- |
1/90 = final titre
|
| + |
+ |
+ |
- |
- |
- |
- |
- |
|
| |
|
|
|
|
|
|
|
|
| + |
+ |
+ |
+ |
- |
- |
- |
- |
1/128 = final titre
|
| + |
+ |
+ |
- |
- |
- |
- |
- |
|
| |
|
|
|
|
|
|
|
|
| + |
+ |
+ |
+ |
- |
- |
- |
- |
1/181 = final titre
|
| + |
+ |
+ |
+ |
- |
- |
-
|
- |
|