Table 2.
Incubation periods.
| Disease | Incubation periods | Geographic region |
|---|---|---|
| Malaria | 7–30 days | Sub-Saharan Africa, Central and South America, India and Southeast Asia |
| Dengue | 2–7 days | Southeast Asia, Central and South America, Africa |
| Haemorrhagic fevers | < 21 days | Currently D.R. of the Congo, Uganda (Ebola) Nigeria (F. Lassa) |
| Crimean-Congo haemorrhagic fever | < 9 days (sting) < 13 (p-p contact) | Africa, the Middle East, Turkey, the Balkans and Asia (towards the west of China) |
| MERS-CoV | < 14 days | Arabian Peninsula |
| Yellow fever | 3–8 days | Africa, South America |
| West Nile encephalitis | 3–6 days | Africa, Asia and Europe |
| Japanese encephalitis | 3–14 days | Southeast Asia from Japan to India |
| Central European encephalitis | 2–4 weeks | Central Europe, the Alps, Balkan countries and all of Russia |
| Typhoid fever | 6–30 days | Cosmopolitan |
| Epidemic typhus | 7–14 | Cosmopolitan, epidemics |
| Leptospirosis | 2–39 | Cosmopolitan (Asia and South America especially) |
| Schistosomiasis | 4–6 weeks | Africa, South America, Southeast Asia |
| Leishmaniasis | 2–6 months | South America, Mediterranean, Africa, Asia |