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Volume 21, Number 8—August 2015
Letter

Measles Vaccination Coverage and Cases among Vaccinated Persons

Christian L. AlthausComments to Author  and Marcel Salathé
Author affiliations: University of Bern, Bern, Switzerland (C.L. Althaus); Pennsylvania State University, University Park, Pennsylvania, USA (M. Salathé)

Main Article

Figure

Relationship between vaccination coverage with >1 doses and the proportion of measles case-patients who had been vaccinated. The observed numbers of vaccinated case-patients can be used to infer the vaccination coverage for different populations. Of 62 (21.0%) measles case-patients with known vaccination status in California, USA, 13 had received >1 doses (6). Of 230 (13.0%) case-patients with known vaccination status in the United States during January–May 2014, a total of 30 had received

Figure. Relationship between vaccination coverage with >1 doses and the proportion of measles case-patients who had been vaccinated. The observed numbers of vaccinated case-patients can be used to infer the vaccination coverage for different populations. Of 62 (21.0%) measles case-patients with known vaccination status in California, USA, 13 had received >1 doses (6). Of 230 (13.0%) case-patients with known vaccination status in the United States during January–May 2014, a total of 30 had received >1 doses (7). Vaccine effectiveness is assumed to be 99% (3,4). The shaded areas for the countries of the European Union (EU) and European Economic Area (EEA), and Switzerland correspond to the 95% CIs. 95% CIs are omitted for California and the United States because of the small sample sizes.

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References
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The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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