Pertussis Reinfection in an Adult: A Cause of Persistent Cough Not to Be Ignored

Table 1

Patient’s main laboratory findings on presentation. Notably, leukocytosis is generally uncommon in adults and even in the absence of it, the diagnosis of pertussis should not be excluded.

Parameter (units, reference range)	Value
White blood cell (10^3/μL, 4–11)	10.2
CRP (mg/dl, <0.8)	3.2
Alanine aminotransferase (IU/L, <40)	24
Lactate dehydrogenase (IU/L, <350)	141
Creatine phosphokinase (IU/L, <100)	74