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Description:This image was created during an investigation into an outbreak of monkeypox, which took place in the Democratic Republic of the Congo (DRC), 1996 to 1997, formerly Zaire. Depicted here, was a Bosman’s potto, Perodicticus potto, that underwent a monkeypox virus plaque reduction neutralization antibody assay, which provided to be negative for any disease.
In 1996, 71 suspected human monkeypox cases were reported from the Katako-Kombe Health Zone, Kasai Oriental, DRC. These initial reports suggested predominant person-to-person transmission and prolonged chains of transmission. Two cases were confirmed by monkeypox virus isolation from lesion material. In February 1997, an investigation was initiated. Our report describes epidemiologic observations and laboratory results supporting the conclusion that repeated animal reintroduction of monkeypox virus is needed to sustain the disease in the local human population. For more extensive details, as well as citations, see the link below.

PHIL images 12745 through 12784 depict a full slide presentation telling the story of this investigation.

High Resolution: Click here for hi-resolution image (18.15 MB)
Content Providers(s):CDC/ Brian W.J. Mahy, BSc, MA, PhD, ScD, DSc
Creation Date:1997
Photo Credit:
Links:CDC – Yvan J.F. Hutin, et al. Outbreak of Human Monkeypox, Democratic Republic of Congo, 1996 to 1997. Emerging Infectious Diseases Journal, Vol. 7, No. 3, May – June, 2001
CDC Organization
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Copyright Restrictions:None - This image is in the public domain and thus free of any copyright restrictions. As a matter of courtesy we request that the content provider be credited and notified in any public or private usage of this image.