Table I.
Human Coronavirus (HCoV)‐Positive Cases Detected in Adult Patients From May 2005 Through April 2009
| HCoV | Year | ||||
|---|---|---|---|---|---|
| 2005 (n = 1,156) | 2006 (n = 179) | 2007 (n = 2,214) | 2008 (n = 1,367) | 2009 (n = 480) | |
| OC43a | 6 (0.5)b | 6 (0.2) | 33 (1.5) | 2 (0.2) | 3 (0.6) |
| 229E | 6 (0.5) | 0 | 3 (0.1) | 0 | 6 (1.3) |
| HKU1 | 1 (0.1) | 8 (0.3) | 1 (0.1) | 3 (0.2) | 1 (0.2) |
| NL63 | 2 (0.2) | 2 (0.1) | 4 (0.2) | 0 | 0 |
| Total casesa | 15 (1.3) | 16 (0.5) | 41 (1.9) | 5 (0.4) | (2.1) |
a
χ 2 = 35.602, P < 0.001.
b
Numbers in parentheses indicate the percentages of positive infection in total samples.