From: Dried blood spots as a source of anti-malarial antibodies for epidemiological studies
 | Time (years) for original value to fall to : | ||
---|---|---|---|
T (°C) | 80% | 90% | 95% |
-20°C | 9.0 | 4.2 | 2.1 |
4°C | 1.1 | 0.5 | 0.2 |
10°C | 0.65 | 0.31 | 0.15 |
15°C | 0.44 | 0.21 | 0.10 |
20°C | 0.30 | 0.14 | 0.07 |
25°C | 0.21 | 0.10 | 0.05 |
30°C | 0.15 | 0.07 | 0.03 |