TABLE 2.
Etiologic agents in nasopharyngeal aspirates by age of patient
| Age (yr) of patient | No. (%) of respiratory virusesf
|
Total no. of NAg | ||||||
|---|---|---|---|---|---|---|---|---|
| RSV | RV | ADE | IFL | ENT | HSV | Negative | ||
| <1a | 39 (21.2) | 34 (18.5) | 6 (3.3) | 3 (1.6) | 9 (4.9) | 1 (0.5) | 101 (54.9) | 184 |
| 1-2b | 15 (16.0) | 15 (16.0) | 6 (6.4) | 2 (2.1) | 3 (3.2) | 0 (0) | 56 (59.6) | 94 |
| 2-3c | 10 (14.9) | 12 (17.9) | 2 (3.0) | 3 (4.5) | 0 (0) | 0 (0) | 41 (61.2) | 67 |
| 3-4d | 7 (12.7) | 14 (25.5) | 2 (3.6) | 2 (3.6) | 1 (1.8) | 2 (3.6) | 28 (50.9) | 55 |
| 4-10e | 4 (4.8) | 13 (15.5) | 0 (0) | 3 (3.6) | 2 (2.4) | 0 (0) | 62 (73.8) | 84 |
| 10-15 | 1 (4.0) | 4 (16.0) | 0 (0) | 2 (8.0) | 0 (0) | 1 (4.0) | 17 (68.0) | 25 |
| 15-18 | 0 (0) | 1 (12.5) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 7 (87.5) | 8 |
| Total | 76 (14.7) | 93 (18.0) | 16 (3.1) | 15 (2.9) | 15 (2.9) | 4 (0.8) | 329 (63.6) | 517 |
a
Mixed infections: six RV-RSV infections, one RV-ADE infection, one RV-HSV infection, and one RSV-echovirus 30 infection. Enteroviruses: echovirus 2 (n = 3), echovirus 30 (n = 3), echovirus 3 (n = 1), unknown (n = 1), poliovirus 2 Sabin (n = 1).
b
Mixed infections: one RV-ADE infection. Enteroviruses: echovirus 2 (n = 2), unknown (n = 1).
c
Mixed infections: one RV-RSV infection.
d
Mixed infections: one RV-RSV infection. Enteroviruses: echovirus 5.
e
Enteroviruses: echovirus 2 (n = 2).
f
RSV, respiratory syncytial virus; RV, rhinovirus; ADE, adenovirus; IFL, influenza virus; ENT, enterovirus; HSV, herpes simplex virus.
g
NA, nasopharyngeal aspirate.