Table II.
Age Distribution of Human Coronavirus Infections in Adults With Acute Respiratory Tract Infections
| ≤25 years | 26–65 years | >65 years | Total (%) | |
|---|---|---|---|---|
| No. of detected | 2,769 | 5,020 | 607 | 8,396 |
| OC43 | 11 (1.0)a | 24 (0.8) | 15 (3.6) | 50 (0.6) |
| 229E | 6 (0.4) | 8 (0.5) | 1 (2.5) | 15 (0.2) |
| HKU1 | 5 (0.2) | 5 (0.1) | 4 (0.7) | 14 (0.2) |
| NL63 | 5 (0.2) | 1 (0.02) | 2 (0.3) | 8 (0.1) |
| Total (%)b | 27 (1.0) | 38 (0.8) | 22 (3.6) | 87 (1.0) |
a
Numbers in parentheses indicate the percentages of positive infection in total samples.
b
χ 2 = 43.569, P < 0.001.