Agrochemicals in freshwater systems and their potential as endocrine disrupting chemicals: A South African context

I Horak, S Horn, R Pieters - Environmental Pollution, 2021 - Elsevier
South Africa is the largest agrochemical user in sub-Saharan Africa, with over 3000
registered pesticide products. Although they reduce crop losses, these chemicals reach non …

Seasonal variations in air concentrations of 27 organochlorine pesticides (OCPs) and 25 current-use pesticides (CUPs) across three agricultural areas of South Africa

AF Veludo, DM Figueiredo, C Degrendele… - Chemosphere, 2022 - Elsevier
For decades pesticides have been used in agriculture, however, the occurrence of legacy
organochlorine pesticides (OCPs) and current-use pesticides (CUPs) is poorly understood …

Organochlorine pesticide accumulation in fish and catchment sediments of Lake St Lucia: Risks for Africa's largest estuary

A Buah-Kwofie, MS Humphries - Chemosphere, 2021 - Elsevier
Although use of organochlorine pesticides (OCPs) has been banned or severely limited on a
global basis, concerning concentrations continue to be reported in many tropical and …

A review of historical trends in Anopheles gambiae Giles (Diptera: Culicidae) complex composition, collection trends and environmental effects from 2009 to 2021 in …

KP Noeth, ML Kaiser, T Mashatola… - Medical and …, 2024 - Wiley Online Library
South Africa is a frontline country for malaria elimination in the southern African region. It has
three malaria‐endemic provinces, each with its own transmission pattern. The elimination of …

Organochlorine pesticide contamination in sediments from Richards Bay, South Africa: spatial trends and ecotoxicological risks

P Mehlhorn, M Humphries, J Gensel… - … Science and Pollution …, 2023 - Springer
The occurrence and distribution of organochlorine pesticides (OCPs) in aquatic systems is a
matter of global concern and poses significant toxicological threats to both organisms and …

The mosquito vectors that sustained malaria transmission during the Magude project despite the combined deployment of indoor residual spraying, insecticide-treated …

L Fernández Montoya, H Martí-Soler, M Máquina… - Plos one, 2022 - journals.plos.org
The “Magude project” aimed but failed to interrupt local malaria transmission in Magude
district, southern Mozambique, by using a comprehensive package of interventions …

The effect of the COVID-19 lockdown on malaria transmission in South Africa

R Maharaj, A Ward, B Didier, I Seocharan, N Firas… - Malaria journal, 2023 - Springer
Background For a country such as South Africa which is targeting malaria elimination,
mobile and migrant populations pose a substantial risk to importation of malaria parasites. It …

Widespread zoophagy and detection of Plasmodium spp. in Anopheles mosquitoes in southeastern Madagascar

M Finney, BA McKenzie, B Rabaovola, A Sutcliffe… - Malaria Journal, 2021 - Springer
Background Malaria is a top cause of mortality on the island nation of Madagascar, where
many rural communities rely on subsistence agriculture and livestock production …

Multilevel modelling of the risk of malaria among children aged under five years in Nigeria

VM Oguoma, AE Anyasodor, AO Adeleye… - Transactions of the …, 2021 - academic.oup.com
Background Malaria is still a major cause of morbidity and mortality among children aged< 5
y (U5s). This study assessed individual, household and community risk factors for malaria in …

An SEIR model with infected immigrants and recovered emigrants

PJ Witbooi - Advances in difference equations, 2021 - Springer
We present a deterministic SEIR model of the said form. The population in point can be
considered as consisting of a local population together with a migrant subpopulation. The …