TABLE 3.
Clinical manifestations of pertussis among infants, children, adolescents, and adults, 1988 to 2002
| Clinical sign (reference[s]) | Frequency (%) in: |
|
|---|---|---|
| Infants and childrena | Adolescents and adults | |
| Coughing paroxysms (167, 219, 226, 234, 273) | 89–93 | 70–99 |
| Inspiratory whoops (167, 219, 224, 226, 234, 273, 289, 659,) | 69–92 | 8–82 |
| Nocturnal cough (219, 224, 226, 232, 660) | 41 | 61–87 |
| Posttussive vomiting (167, 219, 224, 226, 232, 234, 273, 289, 659) | 48–60 | 17–65 |
| No or low-grade fever (234, 659) | 87–96 | 13 |
| Coryza (234) | NAb | 58 |
| Pharyngitis (234) | NA | 31 |
a
Ages 6 days to 9 years.
b
NA, data not available.