Journal
JOURNAL OF INVESTIGATIVE DERMATOLOGY
Volume 120, Issue 3, Pages 356-358Publisher
BLACKWELL PUBLISHING INC
DOI: 10.1046/j.1523-1747.2003.12074.x
Keywords
Vaccinia virus; vaccination; cytohesin-1 gene
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Handling of Vaccinia virus represents a risk for laboratory-acquired infections, especially in individuals without completed vaccination. We report the case of a Vaccinia infection in a previously vaccinated researcher working with various genetically modified strains. We could confirm the infection by electron microscopy, positive cell culture, virus-specific PCR, sequence analysis, and viral neutralization test. The isolated virus carried a functionally inactivated cytohesin-1 gene of human origin, which had been shown to impair leukocyte adhesion by interacting with the LFA/ICAM-1 axis. The immunomodulating nature of the inserted construct might thus have added to the infectivity of the virus. We emphasize on the necessity of Vaccinia vaccination in laboratory staff working in the field.
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