LETTERS

Jeffrey S. Kennedy, MD 4. Grabenstein JD, Winkenwerder W Jr. US military smallpox vaccination pro- Center for Infectious Disease and Vaccine Research gram experience. JAMA. 2003;289:3278-3282. 5. Wollenberg A, Engler R. Smallpox, vaccination and adverse reactions to small- University of Massachusetts Medical School pox vaccine. Curr Opin Allergy Clin Immunol. 2004;4:271-275. Worcester 6. Frey SE, Newman FK, Cruz J, et al. Dose-related effects of smallpox vaccine. N Sharon E. Frey, MD Engl J Med. 2002;346:1275-1280. 7. Newman FK, Frey SE, Blevins TP, et al. Improved assay to detect neutralizing Division of Infectious Diseases and Immunology antibody following vaccination with diluted or undiluted vaccinia (Dryvax) vaccine. Saint Louis University School of Medicine J Clin Microbiol. 2003;41:3154-3157. St Louis, Mo 8. Mathew A, Ennis FA, Rothman AL. Transient decreases in human T-cell pro- liferative responses following vaccinia immunization. Clin Immunol. 2000;96:100- Disclaimer: The views expressed in this article are those of the authors and do not 107. reflect the official policy or position of the Department of the Navy, Department of Defense, or the US government. Access to Data: Dr Kelso had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analyses. Financial Disclosure: None. CORRECTION 1. Fenner F, Henderson DA, Arita I, et al. Smallpox and Its Eradication. Geneva, Switzerland: World Health Organization; 1988. Acknowledgment Omission: In the Brief Report entitled “An Outbreak of Ma- 2. Vaccinia (smallpox) vaccine: recommendations of the Advisory Committee on laria in US Army Rangers Returning From Afghanistan” published in the January Immunization Practices (ACIP), 2001. MMWR Morb Mortal Wkly Rep. 12, 2005, issue of THE JOURNAL (2005;293:212-216), an acknowledgment was 2001;50(RR-10):1-25. omitted. The authors thank G. Dennis Shanks, MD, MPH, whose wealth of ex- 3. Frey SE, Couch RB, Tacket CO, et al. Clinical responses to undiluted and di- perience as a malariologist proved invaluable to the conduct of the study and in luted smallpox vaccine. N Engl J Med. 2002;346:1265-1274. the design of the survey instrument.

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