Varicella is a common infectious disease, for which 2-dose vaccination was recommended in 2006. Varicella case and vaccination data in New Hampshire were analyzed to assess impact of this recommendation on disease incidence and clinical characteristics. Varicella incidence decreased after the 2-dose recommendation, with greatest reductions in ages 5–19 years. Continued vaccination efforts should further reduce disease.
From the *New Hampshire Department of Health and Human Services, Concord; †University of New Hampshire, Durham; and ‡Geisel School of Medicine at Dartmouth, Hanover, NH.
Accepted for publication March 02, 2013.
Presented in part at Council of State and Territorial Epidemiologists Annual Meeting, June 2011, Pittsburgh, PA.
The findings and conclusions in this report are those of the authors and do not necessarily represent the views of the New Hampshire Department of Health and Human Services, the Geisel School of Medicine at Dartmouth or the University of New Hampshire.
This work was supported, in part, by the Centers for Disease Control and Prevention, Immunization and Vaccines for Children Grants (grant number 5U62PS001029-05 to L.A. and J.D.) and the Hospital Preparedness Program and Public Health Emergency Preparedness Cooperative Agreements (grant number 1U90TP000535-01 to J.D.-O.). The findings and conclusions in this report are solely the responsibility of the authors and do not necessarily represent the official views of the Centers for Disease Control and Prevention or Assistant Secretary for Preparedness and Response. The authors have no other funding or conflicts of interest to disclose.
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Address for correspondence: Elizabeth R. Daly, MPH, Infectious Disease Surveillance Section, New Hampshire Department of Health and Human Services, 29 Hazen Drive, Concord, NH 03301-6504. E-mail: firstname.lastname@example.org.