Abstract:
:Identification of human monkeypox cases during 2005 in southern Sudan (now South Sudan) raised several questions about the natural history of monkeypox virus (MPXV) in Africa. The outbreak area, characterized by seasonally dry riverine grasslands, is not identified as environmentally suitable for MPXV transmission. We examined possible origins of this outbreak by performing phylogenetic analysis of genome sequences of MPXV isolates from the outbreak in Sudan and from differing localities. We also compared the environmental suitability of study localities for monkeypox transmission. Phylogenetically, the viruses isolated from Sudan outbreak specimens belong to a clade identified in the Congo Basin. This finding, added to the political instability of the area during the time of the outbreak, supports the hypothesis of importation by infected animals or humans entering Sudan from the Congo Basin, and person-to-person transmission of virus, rather than transmission of indigenous virus from infected animals to humans.
journal_name
Emerg Infect Disjournal_title
Emerging infectious diseasesauthors
Nakazawa Y,Emerson GL,Carroll DS,Zhao H,Li Y,Reynolds MG,Karem KL,Olson VA,Lash RR,Davidson WB,Smith SK,Levine RS,Regnery RL,Sammons SA,Frace MA,Mutasim EM,Karsani ME,Muntasir MO,Babiker AA,Opoka L,Chowdhary V,Ddoi
10.3201/eid1902.121220subject
Has Abstractpub_date
2013-02-01 00:00:00pages
237-45issue
2eissn
1080-6040issn
1080-6059journal_volume
19pub_type
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