Incubation Periods
| Disease | Incubation Period |
|---|---|
| Influenza | 1 to 4 days |
| Scarlet fever | 1 to 4 days |
| Parainfluenza | 2 to 6 days |
| Tetanus | 4 to 21 days |
| Chickenpox | 10 to 21 days |
| Mumps | 14 to 18 days |
| Measles | 10 to 18 days |
| Rubella | 12 to 23 days |
| Glandular fever | 4 to 6 weeks |
| Hepatitis A | 4 to 7 weeks |
Source: CDC
The RCEM syllabus highlights the need to be familiar with incubation periods for measles, mumps, rubella, chickenpox, Influenza and parainfluenza. They may also ask you about other diseases where they specify familiarity with the clinical course of the disease.