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Transmission of monkeypox among persons exposed to infected prairie dogs in Indiana in 2003.

Authors
Kile-JC; Fleischauer-AT; Beard-B; Kuehnert-MJ; Kanwal-RS; Pontones-P; Messersmith-HJ; Teclaw-R; Karem-KL; Braden-ZH; Damon-I; Khan-AS; Fischer-M
Source
Arch Pediatr Adolesc Med 2005 Nov; 159(11):1022-1025
NIOSHTIC No.
20028848
Abstract
To describe a cluster of human monkeypox cases associated with exposure to ill prairie dogs in a home child care. We identified all persons exposed to 2 pet prairie dogs in County A, Indiana; performed active surveillance for symptomatic monkeypox infection; and evaluated the types of exposure that may have resulted in infection. For children who attended the child care where the animals were housed, we also measured the rate of seroconversion to monkeypox virus. Nine (13%) of 70 persons exposed to the prairie dogs reported signs and symptoms of monkeypox. Two (40%) of 5 symptomatic child care attendees reported direct contact with the prairie dogs. Two (13%) of 15 child care attendees evaluated tested positive for IgM antibodies against orthopoxvirus; both reported symptoms consistent with monkeypox. The risk of symptomatic infection correlated with the time and intensity of animal exposure, which was 100% (4/4) among family members with extensive direct contact, 19% (5/26) among the veterinarian and nonfamily child care attendees with moderate exposure, and 0% (0/40) among school children with limited exposure (P<.01). Monkeypox virus was transmitted from ill prairie dogs in a child care and veterinary facilities. The risk of symptomatic infection correlated with the amount of exposure to the prairie dogs. Although most cases of human monkeypox were associated with direct animal contact, other routes of transmission cannot be excluded.
Keywords
Diseases; Disease-transmission; Exposure-levels; Exposure-assessment; Animals; Children; Risk-factors; Risk-analysis; Infection-control; Infectious-diseases; Zoonoses
CODEN
APAMEB
Publication Date
20051101
Document Type
Journal Article
Fiscal Year
2006
NTIS Accession No.
NTIS Price
Issue of Publication
11
ISSN
1072-4710
NIOSH Division
DRDS
Source Name
Archives of Pediatrics and Adolescent Medicine
State
WV
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