FIGURE 2.
Prevalence of nasopharyngeal pneumococcal colonization among urban children by time from penicillin use to study enrollment — Alaska, 2000–2010 (n=3,496)
Abbreviations: PCN, penicillin
Prevalence of nasopharyngeal pneumococcal colonization among urban children by time from penicillin use to study enrollment — Alaska, 2000–2010 (n=3,496)
Abbreviations: PCN, penicillin