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In the struggle to control malaria, researchers at the University of Pretoria Institute for Sustainable Malaria Control (UP ISMC) has turned to satellite data to get a heads-up on malaria outbreaks and smartphone apps to control and monitor the disease.
Technology implemented in the air and on the ground forms part of a transdisciplinary solution to the prevalence of malaria in South Africa.

Satellites to map at-risk areas and predict outbreaks
Up in the air, satellites are being used to predict malaria outbreaks using geographic information systems (GIS) and advanced satellite imaging to identify the environmental factors that allow malaria-spreading mosquitos to breed and thrive.
Armed with this information, outbreaks can be predicted with incredible accuracy.
“Using remote sensing as part of an early-warning system for outbreaks, we can forecast malaria occurrences from three to six months in the future,” says UP ISMC doctorate student Abiodun Morakinyo Adeola. “Our predictions using his model have been correct nine out of 10 times in all five Mpumalanga communities which formed part of the study.”
This level of accuracy is on par with the World Health Organisation’s standards.

Apps to control and monitor malaria
mSpray focuses on malaria control data management for the annual indoor residual spraying (IRS) programme. It was developed at the University of California Berkeley (UCB) with input from researchers at the UP ISMC; specifically Prof Riana Bornman.
Meanwhile, the Malaria Buddy app provides information on malaria risk, prevention and symptoms for travelers in malaria-endemic areas.
The indoor residual spraying (IRS) programme is the current preferred method for malaria control in at-risk areas. Until recently there was no centralised digital database to ensure that spraying was effective, regular and safe.
“Previously, the spray workers would go into homes, spray the walls and fill in cards,” says Prof Tiaan de Jager, director of the UP ISMC. “Come the next malaria season, they would go back and spray, but there was no clear database recording what substance was use, where was sprayed or when.”
mSpray works by allowing spray workers to record information about pesticides sprayed, the number of structures sprayed, concentrations and application procedures – all on their cell phone. This technology reduces the time needed to record or access data and ensures a safer and more efficient IRS programme.
Launched in early 2016, Malaria Buddy made in collaboration with Travel With Flair is available for Android and iOS and assists travelers to malaria-endemic areas with information on risk, prevention and symptoms.
The UP ISMC team and Travel with Flair are currently designing an updated version to include GPS technology to direct users to the nearest healthcare centre if symptoms are detected.
Prof de Jager is enthusiastic about using mobile technology to combat malaria: “We should continue to use cell phone technology as it is much more efficient than manual means to control malaria.”