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South Africa

Mosquito community composition and abundance at contrasting sites in northern South Africa, 2014-2017

June 6, 2020 - 14:50 -- Open Access
Johnson T, Braack L, Guarido M, Venter M, Gouveia Almeida AP
J Vector Ecol. 2020 Jun; 45(1):104-117

Most data on species associations and vector potential of mosquitoes in relation to arboviral infections in South Africa date back from the 1940s to late 1990s. Contextual information crucial for disease risk management and control, such as the sampling effort, diversity, abundance, and distribution of mosquitoes in large parts of South Africa still remains limited. Adult mosquitoes were collected routinely from two horse farms in Gauteng Province; two wildlife reserves in Limpopo Province, at Orpen Gate in Kruger National Park (KNP) and Mnisi Area in Mpumalanga Province between 2014–2017, using carbon dioxide‐baited light and tent traps.

High levels of imported asymptomatic malaria but limited local transmission in KwaZulu-Natal, a South African malaria-endemic province nearing malaria elimination

April 18, 2020 - 13:53 -- Open Access
Jaishree Raman, Laura Gast, Devanand Moonasar, et al.
Malaria Journal 2020 19:152, 15 April 2020

KwaZulu-Natal, one of South Africa’s three malaria endemic provinces, is nearing malaria elimination, reporting fewer than 100 locally-acquired cases annually since 2010. Despite sustained implementation of essential interventions, including annual indoor residual spraying, prompt case detection using malaria rapid diagnostics tests and treatment with effective artemisinin-based combination therapy, low-level focal transmission persists in the province. This malaria prevalence and entomological survey was therefore undertaken to identify the drivers of this residual transmission.

Erratum: "Prenatal Exposure to DDT and Pyrethroids for Malaria Control and Child Neurodevelopment: The VHEMBE Cohort, South Africa"

March 18, 2020 - 14:40 -- Open Access
Eskenazi B, An S, Rauch SA, Coker ES, Maphula A, Obida M, Crause M, Kogut KR, Bornman R, Chevrier J
Environ Health Perspect. 2020 Mar;128(3):39001

In this article, pyrethroid metabolite measurements were reported to be specific gravity-corrected. However, the statistical analyses were completed with uncorrected pyrethroid metabolite measurements. The results using specific gravity-corrected metabolite measurements are largely consistent with the uncorrected analyses.

Rainfall Trends and Malaria Occurrences in Limpopo Province, South Africa

January 15, 2020 - 09:21 -- Open Access
Adeola A, Ncongwane K, Abiodun G, Makgoale T, Rautenbach H, Botai J, Adisa O, Botai C
Int. J. Environ. Res. Public Health 2019, 16(24), 5156

This contribution aims to investigate the influence of monthly total rainfall variations on malaria transmission in the Limpopo Province. For this purpose, monthly total rainfall was interpolated from daily rainfall data from weather stations. Annual and seasonal trends, as well as cross-correlation analyses, were performed on time series of monthly total rainfall and monthly malaria cases in five districts of Limpopo Province for the period of 1998 to 2017. The time series analysis indicated that an average of 629.5 mm of rainfall was received over the period of study.


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