Table 2. Mean and standard deviations of viral formulation titres obtained for each protocol and each storage temperature.
| Virus | Process | Strorage temperature | Average of viral titers (Log10 TCID50/ml) | ± Standard deviation |
|---|---|---|---|---|
| Chikungunya virus | LP1 | +20°C | 6.20 | 0.36 |
| +4°C | 7.80 | 1.30 | ||
| -20°C | 8.00 | 0.86 | ||
| LP2 | +20°C | 6.60 | 0.30 | |
| +4°C | 7.20 | 0.60 | ||
| -20°C | 6.86 | 0.20 | ||
| Herpesvirus type 1 | LP1 | +20°C | 7.20 | 0.90 |
| +4°C | 6.70 | 0.50 | ||
| -20°C | 6.90 | 0.20 | ||
| LP2 | +20°C | 7.20 | 1.50 | |
| +4°C | 6.70 | 0.40 | ||
| -20°C | 9.20 | 1.30 | ||
| Human Echovirus 13 | LP1 | +20°C | 2.00 | 1.70 |
| +4°C | 3.30 | 1.00 | ||
| -20°C | 3.60 | 0.70 | ||
| LP2 | +20°C | 2.00 | 1.50 | |
| +4°C | 3.10 | 1.00 | ||
| -20°C | 3.40 | 0.90 | ||
| Human Adenovirus type C | LP1 | +20°C | 3.00 | 1.00 |
| +4°C | 3.80 | 0.34 | ||
| -20°C | 4.10 | 0.30 | ||
| LP2 | +20°C | 2.60 | 1.10 | |
| +4°C | 3.60 | 0.20 | ||
| -20°C | 3.40 | 0.90 |
Independent of the sample formulation, t-tests were used to estimate the difference between groups of data which were expressed as mean virus titres ± standard deviations.