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- Title
Opening a bacillus anthracis-containing envelope, Capitol Hill, Washington, D.C.: the public health response.
- Authors
Hsu, Vincent P.; Lukacs, Susan L.; Handzel, Thomas; Hayslett, James; Harper, Scott; Hales, Thomas; Semenova, Vera A.; Romero-Steiner, Sandra; Elie, Cheryl; Quinn, Conrad P.; Khabbaz, Rima; Khan, Ali S.; Martin, Gregory; Eisold, John; Schuchat, Anne; Hajjeh, Rana A.
- Abstract
On October 15, 2001, a U.S. Senate staff member opened an envelope containing Bacillus anthracis spores. Chemoprophylaxis was promptly initiated and nasal swabs obtained for all persons in the immediate area. An epidemiologic investigation was conducted to define exposure areas and identify persons who should receive prolonged chemoprophylaxis, based on their exposure risk. Persons immediately exposed to B. anthracis spores were interviewed; records were reviewed to identify additional persons in this area. Persons with positive nasal swabs had repeat swabs and serial serologic evaluation to measure antibodies to B. anthracis protective antigen (anti-PA). A total of 625 persons were identified as requiring prolonged chemoprophylaxis; 28 had positive nasal swabs. Repeat nasal swabs were negative at 7 days; none had developed anti-PA antibodies by 42 days after exposure. Early nasal swab testing is a useful epidemiologic tool to assess risk of exposure to aerosolized B. anthracis. Early, wide chemoprophylaxis may have averted an outbreak of anthrax in this population.
- Subjects
WASHINGTON (D.C.); UNITED States; PUBLIC health; BACILLUS anthracis
- Publication
Emerging Infectious Diseases, 2002, Vol 8, Issue 10, p1039
- ISSN
1080-6040
- Publication type
journal article
- DOI
10.3201/eid0810.020332