Predictors of PCR positivity for pertussis were assessed using Minnesota active surveillance data. Report of an exposure to pertussis and testing within the optimal time frame of ≤2 weeks were significantly associated with testing PCR positive, emphasizing the importance of asking about epidemiological factors when assessing patients for pertussis, and timely PCR testing.
Authors:McMahon M1, Kulasingam S, Kenyon C, Miller C, Ehresmann K.
Journal:Pediatr Infect Dis J. 2015