Analysis of contamination in cluster randomized trials of malaria interventions (Publications)
BACKGROUND: In cluster randomized trials (CRTs) of interventions against malaria, mosquito movement between households ultimately leads to contamination between intervention and control arms, unless they [...] which contamination measurably biases the estimate of effectiveness. A sigmoid function is fitted to malaria prevalence or incidence data as a function of the distance of households to the intervention boundary
CRISPR/Cas9-engineered inducible gametocyte producer lines as a valuable tool for <em>Plasmodium falciparum </em>malaria transmission research (Publications)
The malaria parasite Plasmodium falciparum replicates inside erythrocytes in the blood of infected humans. During each replication cycle, a small proportion of parasites commits to sexual development and [...] In summary, we believe the iGP approach developed here will greatly expedite basic and applied malaria transmission stage research.
Evaluation of different deployment strategies for larviciding to control malaria: a simulation study (Publications)
METHODS: A malaria transmission model, OpenMalaria, was used to simulate varying larviciding strategies and their impact on host-seeking mosquito densities, entomological inoculation rate (EIR) and malaria prevalence [...] BACKGROUND: Larviciding against malaria vectors in Africa has been limited to indoor residual spraying and insecticide-treated nets, but is increasingly being considered by some countries as a complementary [...] g were simulated for three transmission intensities and four...
A brief history of selected malaria vaccine and medical interventions pursued by the Swiss Tropical and Public Health Institute and partners,... (Publications)
research portfolio as key elements for researching and applying evidence in malaria control and elimination as part of national malaria control programmes. [...] perspective. Its aim is to highlight the above-mentioned transformation by focusing on selected malaria research-cum-action interventions during the crucial period of the 1990s, which were tailored to
Knowledge of antimalarials and health seeking behaviour of households in case of suspected malaria in Democratic Republic of the Congo (Publications)
of the Congo (DRC) is heavily affected by malaria despite availability of effective treatments. Ignorance and unrecommended behaviour toward a suspected malaria case in households may contribute to this [...] urban Health Centres in each of the 11 previous provinces of DRC, all households with a case of malaria in the 15 days prior to the survey were selected. The patient or caregiver (responder) were interviewed [...] predictors of knowledge of recommended antimalarials and adequate behaviour...
Safety, immunogenicity and efficacy of PfSPZ vaccine against malaria in infants in western Kenya: a double-blind, randomized, placebo-controlled phase... (Publications)
infection in malaria-naive adults. Preclinical studies show that T cell-mediated immunity is required for protection and is readily induced in humans after vaccination. However, previous malaria exposure can [...] and vaccine efficacy (VE) in adults. We hypothesized that infants with less previous exposure to malaria would have improved immunity and protection. We conducted a multi-arm, randomized, double-blind, [...] tolerability, immunogenicity and efficacy of the PfSPZ Vaccine in infants in a...
Determinants of patients' adherence to malaria treatment in the Democratic Republic of the Congo (Publications)
(1) Background: Malaria heavily affects the Democratic Republic of the Congo (DRC) despite the use of effective drugs. Poor adherence to malaria treatment may contribute to this problem. (2) Methods: In [...] the DRC, all households with a case of malaria in the 15 days preceding the survey were selected and the patients or caregivers were interviewed. Adherence to malaria treatment was assessed by self-declaration [...] urban area, university education, catholic religion, and adoption of...
Prevalence and force of <em>Plasmodium vivax</em> blood-stage infection and associated clinical malaria burden in the Brazilian Amazon (Publications)
Understanding the epidemiology of malaria through the molecular force of the blood-stage infection of Plasmodium vivax (molFOB) may provide a detailed assessment of malaria transmission. OBJECTIVES: In this [...] ed risk factors and spatial-temporal patterns of incidence of Plasmodium infection and clinical malaria episodes in three peri-urban communities of Manaus, Western Brazilian Amazon. METHODS: Monthly samples [...] Subjects who reported possession of a bed net [incidence rate ratio (IRR)...
Knowledge, attitudes and practices towards malaria diagnostics among healthcare providers and healthcare-seekers in Kondoa district, Tanzania: a... (Publications)
large-scale rollout of malaria rapid diagnostic tests (RDTs) in Tanzania, many healthcare providers (HCPs) continue using blood film microscopy (BFM) and clinical examination to diagnose malaria, which can increase [...] survey, 48% preferred using BFM for malaria testing, while 52% preferred RDT. Faced with a negative RDT result for a patient presenting with symptoms typical for malaria, 25% of HCPs stated they would confirm [...] a concern. Frequent training and supportive supervision for HCPs...
The relative impact of interventions on sympatric <em>Plasmodium vivax</em> and <em>Plasmodium falciparum</em> malaria: a systematic review (Publications)
BACKGROUND: In areas with both Plasmodium vivax and Plasmodium falciparum malaria, interventions can reduce the burden of both species but the impact may vary due to their different biology. Knowing the [...] infections attributed to P. vivax over time using a literature search. The change in the proportion of malaria attributed to P. vivax up to two years since implementation was estimated using logistic regression [...] insufficient information on interventions. There was considerable...