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. 2021 Dec;27(12):3159-3162.
doi: 10.3201/eid2712.210643.

Rift Valley Fever Virus Seroprevalence among Humans, Northern KwaZulu-Natal Province, South Africa, 2018-2019

Janusz T Pawęska, Veerle Msimang, Joe Kgaladi, Orienka Hellferscee, Jacqueline Weyer, Petrus Jansen van Vuren

Rift Valley Fever Virus Seroprevalence among Humans, Northern KwaZulu-Natal Province, South Africa, 2018-2019

Janusz T Pawęska et al. Emerg Infect Dis. 2021 Dec.

Abstract

We detected Rift Valley fever virus (RVFV) IgM and IgG in human serum samples collected during 2018-2019 in northern KwaZulu-Natal Province, South Africa. Our results show recent RVFV circulation and likely RVFV endemicity in this tropical coastal plain region of South Africa in the absence of apparent clinical disease.

Keywords: Rift Valley fever virus; South Africa; antibodies; cryptic; endemic; humans; mosquitoes; transmission; vector-borne infections; viruses; zoonoses.

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Figures

Figure
Figure
Distribution of human Rift Valley fever virus seropositivity and ward-specific seropositivity in northern municipalities of the uMkhanyakude District, KwaZulu-Natal Province, South Africa, April 2018–August 2019. Inset shows location of uMkhanyakude District (red box) in South Africa. Map was constructed in ArcGIS 10.2 (Esri, https://www.esri.com) using district, municipal, and ward boundaries, facilities, and participants’ residential coordinates collected during the study. Data are available under CC-BY 4.0 (Creative Commons Attribution, https://creativecommons.org) license.
See this image and copyright information in PMC

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