Pertussis risk factors

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Luke Rusowicz-Orazem, B.S.

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Overview

Children who are too young to be fully vaccinated and those who have not completed the primary vaccination series are at highest risk for severe illness. Like measles, pertussis is highly contagious with up to. Adolescents and adults become susceptible when immunity wanes.

Risk Factors

The risk factors are Pertussis involve its highly contagious nature:

• Coming into close proximal contact with an infected individual
  • 90% of susceptible household contacts developing clinical disease following exposure to an index case
• Children and infants are at the highest risk
  • Lesser-developed immune system in conjunction with exposure to Pertussis pre-vaccination
• Not having received the DTaP vaccination or the TDap Booster
• Being predisposed to infection due to immunodeficient conditions