Table 2.
The relationship between the incubation period for selected infectious diseases and the journey time between selected endemic zones and the United Kingdom 1938.
| Disease | Incubation period (days) | Endemic area | Journey time by air (days) |
|---|---|---|---|
| Cholera | 2–5 | India | 4–5 |
| Iraq | 2–3 | ||
| Plague | 2–6 | India | 4–5 |
| Iraq | 2–3 | ||
| East Africa | 4 | ||
| West Africa | 3–5 | ||
| South America | 4–5 | ||
| Smallpox | 10–14 | India | 4–5 |
| Iraq | 2–3 | ||
| Typhus | 5–12 | Central Europe | 2 |
| Russia | 2 | ||
| Yellow Fever | 3–6 | West Africa | 3–5 |
| South America | 4–5 | ||
Source: Whittingham (1938: 3).