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Volume 13, Number 6—June 2007


Endemic Human Monkeypox, Democratic Republic of Congo, 2001–2004

Anne W. Rimoin*, Neville Kisalu†, Benoit Kebela-Ilunga‡, Thibaut Mukaba†, Linda L. Wright§, Pierre Formenty¶, Nathan D. Wolfe#, Robert Loshima Shongo‡, Florimond Tshioko**, Emile Okitolonda††, Jean-Jacques Muyembe†, Robert W. Ryder‡‡, and Hermann Meyer§§Comments to Author 
Author affiliations: *University of California, Los Angeles, California, USA; †National Institute of Biomedical Research, Kinshasa, Democratic Republic of Congo; ‡Ministry of Health, Kinshasa, Democratic Republic of Congo; §National Institutes of Health, Bethesda, Maryland, USA; ¶World Health Organization, Geneva, Switzerland; #Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA; **World Health Organization, Kinshasa, Democratic Republic of Congo; ††Kinshasa School of Public Health, Kinshasa, Democratic Republic of Congo; ‡‡University of North Carolina, Chapel Hill, North Carolina, USA; §§Bundeswehr Institute of Microbiology, Munich, Germany;

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Table 1

Orthopoxviruses and varicella-zoster virus, Democratic Republic of Congo, 2001–2004*

Specimen (no. patients) MPX virus isolated PCR result
Orthopoxvirus VZV
Crusts (50) 16 18 21
Vesicle fluid (51) 19 21 24
Crusts and vesicle fluid (35) 8 and 5† 13‡ 17‡
Total (136) 48 52 62

*MPX, monkeypox; VZV, varicella-zoster virus.
†Virus was isolated from both specimens from 8 patients and from either specimen from 5 patients.
‡Both specimens were positive by PCR.

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