Table 5 Seasonal incidence estimates of varicella cases per 1000 children 0-16 years of age in the area of Munich, by age group; a) minimum incidence estimate based on observed cases in paediatric practices, b) incidence estimate taking into account estimates on varicella cases from non-participating paediatric practices, general practitioners, and cases without physician consultation
Season | 1 | 2 | 3 | 4 | 5 | 1-5 |
|---|---|---|---|---|---|---|
Surveillance period | Oct 06-Sep 07 | Oct 07-Sep 08 | Oct 08-Sep 09 | Oct 09-Sep 10 | Oct 10-Sep 11 | Oct 06-Sep 11 |
a) Incidence /1000; based on observed numbers of cases in the participating practices (minimum incidence) | ||||||
<1 year of age | ||||||
- n | 372 | 182 | 168 | 96 | 81 | 899 |
- incidence | 23.4 | 10.9 | 9.8 | 5.6 | 4.7 | 10.7 |
1-4 years of age | ||||||
- n | 3494 | 2004 | 1652 | 845 | 737 | 8732 |
- incidence | 58.7 | 33.2 | 26.7 | 13.3 | 11.4 | 28.2 |
5-9 years of age | ||||||
- n | 2039 | 1226 | 1273 | 752 | 554 | 5844 |
- incidence | 29.9 | 18.0 | 18.6 | 10.9 | 7.8 | 16.9 |
10-16 years of age | ||||||
- n | 174 | 106 | 122 | 85 | 92 | 579 |
- incidence | 1.9 | 1.2 | 1.3 | 0.9 | 1.0 | 1.3 |
<17 years of age (all cases) | ||||||
- n | 6079 | 3518 | 3215 | 1778 | 1464 | 16054 |
- incidence | 26.0 | 14.9 | 13.5 | 7.4 | 6.0 | 13.4 |
b) Incidence /1000; corrected for cases from non-participating practices in the respective season*, cases from general practitioner practices#, and untreated cases§ (estimates) | ||||||
<17 years of age (all cases) | ||||||
- n | 18244 | 11106 | 9667 | 5561 | 4710 | 49288 |
- incidence | 78.1 | 47.1 | 40.6 | 23.0 | 19.2 | 41.3 |