On December 4, 2019, Grand Challenges Explorations grants were announced for 29 researchers from 12 different countries around the world. Each will receive US$100,000 to conduct early-stage research projects focusing on one of three global health and development challenges selected for this Round.

On December 4, 2019, Grand Challenges Explorations grants were announced for 29 researchers from 12 different countries around the world. Each will receive US$100,000 to conduct early-stage research projects focusing on one of three global health and development challenges selected for this Round.

Grand Challenges Explorations Round 23 Highlights

Emerging Technologies for New Solutions in Global Health Priority Areas (Round 23)

Marnie Winter of the University of South Australia, together with Tina Bianco-Miotto, Claire Roberts, and Clare Whitehead of the University of Adelaide in Australia and the University of Toronto in Canada, will develop and test short-interfering RNAs (siRNA) high-density lipoprotein (HDL) nanocarriers for the treatment of preeclampsia.

Addressing Preeclampsia with Nanomedicine and Bioengineering

Emerging Technologies

Grand Challenges Explorations

Photo Galleries

Photo Gallery

Environmental niches of Salmonella Typhi (Round 23)

Andrew Jackson of the University of Liverpool in the United Kingdom will determine whether the amoeba, Acanthamoeba, which is commonly found in water and soil, acts as a host for Salmonella Typhi bacteria, which cause typhoid fever, to support growth and disease spread in Malawi.

Genome Sequencing of S. Typhi in Protistan Reservoirs

Salmonella Typhi

Increasing Demand for Vaccination Services (Round 23)

Anita Shet of Johns Hopkins School of Public Health in the U.S. will seek to increase childhood vaccination coverage in India and Nigeria by identifying opportunities for catch-up vaccinations when under-vaccinated children are hospitalized.

Missed Opportunities for Vaccination Equity (MOVE)

Immunization Demand

Fredos Okumu of the Ifakara Health Institute in Tanzania will develop technology to evaluate mosquito control interventions using a combination of artificial intelligence, infrared spectroscopy, and entomology.

AI and InfraRed Spectroscopy to Accelerate Malaria Control

Gemma Langridge of Quadram Institute Bioscience in the United Kingdom, along with co-investigators Aaron Jenkins of the University of Sydney in Australia and France Daigle of the University of Montreal in Canada, will collect different isolates of S. Typhi, which causes typhoid fever, to analyze genomic structure, growth, and gene expression to better understand how it can survive at low levels in water, and determine how it can be reactivated for monitoring.

Impact of S. Typhi Genome Structure Upon Survival in Water

Andrew Seal of the Institute for Global Health and Development in the United Kingdom will test whether traditional female social groups in Somalia can adopt a participatory learning and action (PLA) approach to improve vaccine knowledge and coverage in humanitarian settings.

Improving Vaccination Awareness and Coverage in Somalia (IVACS)

Windy Tanner and Jim VanDerslice of the University of Utah in the U.S., together with colleagues from Mehran University of Engineering and Technology in Pakistan, will analyze water samples to determine the conditions that promote the survival of the typhoid fever causing bacterium Salmonella Typhi, and they will use metagenomic deconvolution to identify any gene exchange from other microbial species that may produce drug-resistant strains.

S. Typhi Survival and Gene Acquisition in Biofilm Communities

Olukemi Amodu, Mofeyisara Omobowale and Folakemi Amodu of the University of Ibadan College of Medicine in Nigeria will develop a three-part intervention to provide more convenient and accessible vaccinations for children of working mothers to increase the timeliness and completion of childhood vaccinations.

Immunization Strategies for Working Mothers

Andrew Greenhill of Federation University Australia in Australia, along with partners at the Papua New Guinea Institute of Medical Research, will use advanced environmental microbiology methods to study microbial community dynamics associated with survival of the typhoid fever-causing bacterium Salmonella Typhi in aquatic environments in Papua New Guinea.

Determining the 'Environmental Typhoid Mary', and Conditions that Favour Perisistence

Itoro Ata of the Solina Center for International Development and Research in Nigeria will implement a program to support unemployed mothers in Nigeria by linking education on the importance of vaccinations with vocational skills education and training to improve immunization coverage.

Grand Challenges Explorations Round 23 Highlights

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Sign up for email updates of the latest grant opportunities and awards.

View the Grand Challenges partnership network

Great ideas come from everywhere.