Table 1.
Disease | Main aetiological agents | Vaccine | National crude mean age | National adjusted mean age | Range of prefectural crude mean age | Range of prefectural adjusted mean age |
---|---|---|---|---|---|---|
Kawasaki disease | Unknown | Not available | 2·6 | 2·4 | 2·1–2·7 | 2·1–2·6 |
Exanthema subitum* | Human herpes virus 6 & 7 | Not available | 0·91 | 0·91 | 0·78–1·1 | 0·78–1·1 |
Herpangina | Enteroviuses | Not available | 3·4 | 3·4 | 2·3–4·3 | 2·4–4·2 |
Hand, foot and mouth disease | Enteroviuses | Not available | 3·7 | 3·6 | 2·5–4·1 | 2·5–4·1 |
Chickenpox | Varicella-zoster virus | Voluntary | 3·7 | 3·7 | 3·1–4·3 | 3·0–4·3 |
Pharyngoconjunctival fever | Adenoviruses | Not available | 4·6 | 4·5 | 3·5–5·7 | 3·4–5·7 |
Erythema infectiosum | Human parvovirus B19 | Not available | 6·1 | 6·1 | 5·5–6·7 | 5·4–6·7 |
Group A streptococcus | Streptococcus pyogenes | Not available | 7·1 | 7·1 | 6·1–8·4 | 6·1–8·3 |
Synonym for roseola infantum.