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. 2017 May;23(5):860-861.
doi: 10.3201/eid2305.161195.

Reemergence of African Swine Fever in Zimbabwe, 2015

Juanita van Heerden, Kerstin Malan, Biko M Gadaga, Reverend M Spargo

Reemergence of African Swine Fever in Zimbabwe, 2015

Juanita van Heerden et al. Emerg Infect Dis. 2017 May.

Abstract

Zimbabwe is the only country in southern Africa with no reported African swine fever (ASF) outbreaks during 1993-2014. However, the 2015 discovery of genotype II ASF virus in Zimbabwe indicates the reemergence of ASF in this country and suggests that this viral genotype may be spreading through eastern and southern Africa.

Keywords: Africa; African swine fever; Zimbabwe; eastern Africa; epidemiology; genotype II; pig farms; pigs; reemergence; southern Africa; swine; ticks; transmission; viruses.

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Figures

Figure
Figure
Neighbor-joining phylogenetic tree based on the partial B646L (p72) gene sequences of African swine fever virus (ASFV) isolates from a 2015 outbreak in Zimbabwe. The outbreak strains (ZIM/1/15, ZIM/2/15, and ZIM/3/15 [GenBank accession nos. KX090921–KX090923]) grouped with genotype II ASFV strains isolated in Mozambique (MOZ), Tanzania (TAN), Malawi (MAL), Mauritius (MAU), and Georgia, sharing 100% nucleotide identity with those strains. Phylogeny was inferred after 1,000 bootstrap replications; values at nodes indicate the percentage of bootstrap support. Scale bar indicates nucleotide substitutions per site.
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