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\nAnyone, but especially infants and young children, may experience serious and potentially life-threatening complications from pertussis.
\nComplications are usually less severe in those who received pertussis vaccines.
\nPertussis can cause serious and potentially life-threatening complications in infants and young children, especially those who have not received all the recommended vaccines. Pertussis can also be more severe for infants younger than 2 months of age whose mothers did not get Tdap while pregnant.
\nIn infants younger than 12 months of age who get pertussis, about a third need treatment in a hospital. Hospitalization is most common in infants younger than 6 months of age.
\nOf those infants younger than 12 months of age with pertussis who need treatment in a hospital approximately
\nOther complications can include
\nMore severe complications can include
\nAdolescents and adults can also develop complications from pertussis. However, complications are usually less severe in this older age group, especially in those who received pertussis vaccines.
\nIn one study, hospitalization rates were 0.8% for adolescents and 3% for adults with confirmed pertussis. Clinicians diagnosed pneumonia in 2% of each group.
\nThe most common complications in another study of adults with pertussis were
\nOther complications can include
\nMore severe complications can include
\nRecommended Antimicrobial Agents for the Treatment and Postexposure Prophylaxis of Pertussis: 2005 CDC Guidelines
MMWR 2005;54(RR14):1-16