Respiratory infection | Nosocomial infection | |||
---|---|---|---|---|
rate/1000 | rate/1000 | |||
Months | 1997 | 1998 | 1997 | 1998 |
January | 54 | 57 | 210 | 160 |
February | 66 | 65 | 219 | 147 |
March | 46 | 47 | 144 | 139 |
April | 47 | 34 | 147 | 116 |
May | 55 | 21* | 144 | 88* |
June | 51 | 22* | 188 | 91* |
July | 61 | 13* | 162 | 81* |
August | 56 | 22* | 186 | 88* |
September | 53 | 25* | 221 | 85* |