| Transmission | Droplet, vertical |
| Prodrome | High fever, URTI |
| Characteristic symptom | Fever resolves before rash |
| Enanthem | Nagayama spots (red papules on soft palate/uvula) |
| Rash type | Rose-pink macules/papules |
| Rash spread | Starts on trunk → spreads outward |
| Special rash features | Appears after fever subsides |
| Major complications |
| Feature | |
|---|---|
| Incubation | 4–14 days |
| Contagious period | Before rash |