Table 2 The number of both primary and secondary influenza cases by age group, family member category, influenza vaccination, and antiviral drug prescriptions
No. of total influenza cases (%) | No. of primary cases (%) | No. of secondary cases (%) | |
|---|---|---|---|
Total | 589 | 366 | 223 |
Age groupa | |||
<5 years | 26 (4.4) | 8 (2.2) | 18 (8.1) |
5–9 years | 138 (23.5) | 101 (27.7) | 37 (16.6) |
10–19 years | 302 (51.4) | 228 (62.6) | 74 (33.2) |
20–49 years | 91 (15.5) | 23 (6.3) | 68 (30.5) |
50–64 years | 12 (2.0) | 1 (0.3) | 11 (4.9) |
>65 years | 18 (3.1) | 3 (0.8) | 15 (6.7) |
Category | |||
Preschool | 38 (6.5) | 17 (4.6) | 21 (9.4) |
Primary school | 273 (46.3) | 204 (55.7) | 69 (30.9) |
Junior high school | 146 (24.8) | 113 (30.9) | 33 (14.8) |
High school | 11 (1.9) | 5 (1.4) | 6 (2.7) |
Father | 36 (6.1) | 10 (2.7) | 26 (11.7) |
Mother | 54 (9.2) | 11 (3.0) | 43 (19.3) |
Grandparents and other adults | 31 (5.3) | 6 (1.6) | 25 (11.2) |
Seasonal influenza vaccination | 258 (43.9) | 161 (44.2) | 93 (43.5) |
Antiviral drug prescription | 558 (95.1) | 364 (94.8) | 212 (95.1) |