Table 1 Demographic and clinical characteristics of children with pandemic A/H1N1/2009 influenza infection
From: Antibody response of healthy children to pandemic A/H1N1/2009 influenza virus
Variables | Seroprotection against seasonal A/H1N1 influenza virus (n = 28) | Absence of seroprotection against seasonal A/H1N1 influenza virus (n = 41) |
|---|---|---|
Age | ||
<2 yrs | 2 (7.1)* | 18 (43.9) |
2-5 yrs | 8 (28.6) | 13 (31.7) |
>5 yrs | 18 (64.3)* | 10 (24.4) |
Mean age ± SD | 5.03 ± 4.38* | 2.38 ± 4.66 |
Gender, females | 9 (32.1) | 18 (43.9) |
Previous influenza vaccination | 0 (0.0) | 0 (0.0) |
Hospitalisation | 9 (32.1)* | 4 (9.8) |
Diagnosis | ||
Pneumonia | 15 (53.6)* | 10 (24.4) |
Upper respiratory tract Infection | 13 (46.4)* | 31 (75.6) |
Antibodies against pandemic A/H1N1/2009 influenza virus | ||
≥40 | 27 (96.4) | 37 (90.2) |
GMT | 163.33 | 211.46 |
Viral load, log10 cp/mL | ||
Mean value ± SD | 7.71 ± 1.69 | 7.70 ± 1.64 |
Treated with oseltamivir | 15 (53.6)* | 10 (24.4) |