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Nasopharyngeal carriage rates of S. pneumoniae and H. influenzae in nasopharyngeal swabs following primary and booster vaccination with PHiD-CV or control vaccine (intent-to-treat cohort). Footnote: Error bars: 95% confidence intervals. Any serotype belonging to the same serogroup as the PHiD-CV vaccine serotypes, but different from the vaccine serotypes, was considered as vaccine-related. The observed vaccine-related serotypes were 6A, 6C, 19A, and 23A.
