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An Outbreak of Herpes Simplex Virus Type I Gingivostomatitis in a Dental Hygiene Practice

John P. Manzella, MD; John H. McConville, MD; William Valenti, MD; Marilyn A. Menegus, PhD; Ella M. Swierkosz, PhD; Max Arens, PhD
JAMA. 1984;252(15):2019-2022. doi:10.1001/jama.1984.03350150019013.
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An outbreak of herpes simplex virus (HSV) type I gingivostomatitis occurred in a dental hygiene practice in November 1981. An epidemiologic investigation disclosed that 20 of 46 patients seen by the dental hygienist during a four-day period had this illness, whereas none of 26 patients seen by the dentist alone became ill. One day after the outbreak, the hygienist was found to have a herpetic whitlow. Identical endonuclease restriction enzyme type I HSV was isolated from the left index finger of the hygienist and from nine of 16 patients. The nine patients with positive cultures all had at least a fourfold increase in complement fixing antibody titer. A similar significant increase in titer indicated another seven cases.

(JAMA 1984;252:2019-2022)


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