| Disease | pertussis | 
| Comorbidity | C0020538|hypertension | 
| Sentences | 2 | 
| PubMedID- 20943356 | We describe the clinical course of a fatal case of severe pertussis complicated by refractory pulmonary hypertension and shock in a 2-month-old infant. | 
| PubMedID- 23548960 | Conclusions: pulmonary hypertension may be associated with mortality in pertussis critical illness. | 
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