Table 3. Proportion of public health center areas with epidemic in total public health center area-weeks in fiscal 1999-2005.
| Disease | Fiscal year | ||||||
| 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | |
| Influenza | 5.5 | 0.4 | 3.3 | 9.8 | 5.6 | 10.8 | 6.3 |
| Pharyngoconjunctival fever | 0.9 | 3.0 | 3.5 | 1.8 | 7.2 | 10.6 | 8.7 |
| Group A steptococcal pharyngitis | 4.6 | 7.7 | 6.5 | 5.3 | 8.3 | 9.2 | 10.4 |
| Infectious gastroenteritis | 6.5 | 7.0 | 6.1 | 5.5 | 6.2 | 5.5 | 6.0 |
| Chickenpox | 2.8 | 4.3 | 2.6 | 2.9 | 3.1 | 2.0 | 2.1 |
| Hand-foot-mouth disease | 1.6 | 10.5 | 5.2 | 2.9 | 8.1 | 3.3 | 2.4 |
| Erythema infectiosum | 1.7 | 3.1 | 6.5 | 4.3 | 2.1 | 3.3 | 2.6 |
| Pertussis | 0.3 | 0.4 | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 |
| Rubella | 0.7 | 0.3 | 0.3 | 0.4 | 0.6 | 0.7 | 0.0 |
| Herpangina | 7.8 | 6.2 | 6.6 | 4.3 | 7.3 | 4.2 | 6.6 |
| Measles | 1.2 | 3.8 | 4.6 | 1.3 | 0.5 | 0.0 | 0.0 |
| Mumps | 1.5 | 4.3 | 8.9 | 4.2 | 1.1 | 2.6 | 3.9 |
Figures in table indicate proportion (%).