Table 3.
Case | Age group | HIV status | Confirmed/possible pertussis* | Cough ≥2 weeks | Paroxysmal cough | Inspiratory whoop | Posttussive vomiting | Apnea | Meets clinical case definition† |
---|---|---|---|---|---|---|---|---|---|
1 | < 1y | Negative | Possible | No | No | No | No | No | No |
2 | 1-4y | Positive | Confirmed | Yes | Yes | No | No | N/A | Yes |
3 | 25-44y | Positive | Confirmed | No | No | No | No | No | No |
4 | 25-44y | Negative | Confirmed | Yes | Yes | No | No | N/A | Yes |
5 | 25-44y | Positive | Possible | Yes | No | No | No | N/A | No |
6 | 45-64y | Negative | Confirmed | Yes | No | No | No | N/A | No |
7 | 45-64y | Negative | Possible | Yes | No | No | No | N/A | No |
8 | 45-64y | Positive | Possible | Yes | Yes | Yes | No | N/A | Yes |
9 | 1y | Negative | Confirmed | Yes | Yes | No | No | Yes | Yes |
10 | 25-44y | Positive | Confirmed | Yes | Yes | Yes | No | N/A | Yes |
11 | < 1y | Unknown | Confirmed | Yes | Yes | Yes | Yes | Yes | Yes |
12 | 1-4y | Unknown | Possible | Yes | No | No | No | N/A | No |
13 | 1-4yy | Positive | Possible | Yes | No | No | Yes | N/A | Yes |
14 | 5-14y | Unknown | Possible | Yes | Yes | No | No | N/A | Yes |
15 | 25-44y | Negative | Possible | Yes | No | No | Yes | N/A | Yes |
16 | 25-44y | Negative | Confirmed | Yes | Yes | Yes | No | N/A | Yes |
17 | 5-14y | Unknown | Confirmed | Yes | Yes | Yes | Yes | N/A | Yes |
y = age in years. *Confirmed case = positive for B. pertussis with IS481 Ct < 35; Possible case = positive for B. pertussis with IS481 35 ≥ Ct ≤ 39. †Clinical case definition = cough > 2 weeks (any duration in infants <1 year) + one of the following: paroxysmal cough, inspiratory whoop, posttussive vomiting, apnea in infants < 1 year