Despite remarkable advances in our understanding of the biology of malaria over the last 30 years, malaria elimination remains elusive in Malawi, among other sub-Saharan African countries. The applicant has focused her academic career on using genetics and epidemiology to address key public health questions related to treating and preventing malaria, and to training U.S.- and Malawi-based investigators to conduct patient- oriented malaria research to this end. This K24 award builds on her overarching goal of using translational research to improve malaria treatment and prevention now and will prepare her and her trainees to develop strategies for malaria elimination in Malawi and throughout sub-Saharan Africa. The specific research aims of this proposal focus on interventions to prevent malaria in two vulnerable populations: pregnant women and their babies, in whom the malaria risk is well known but for whom preventive strategies are inadequate, and school-age children, a population newly recognized to suffer from high rates of malaria infection. Pregnant women routinely receive intermittent treatment two to three times during pregnancy to prevent malaria, but the efficacy of currently used medication is compromised due to widespread resistance and new strategies are urgently needed. The applicant and her team recently completed a trial comparing intermittent preventive treatment to continuous prophylaxis to prevent malaria during pregnancy in Malawi. In this proposal, clinical, molecular, genomic and immunological data will be analyzed to test the hypothesis that intermittent treatment and continuous prophylaxis to prevent malaria during pregnancy will have different effects on maternal and neonatal outcomes, maternal susceptibility to malaria in subsequent pregnancies and infant immunity to malaria. To further investigate the burden of malaria infection and transmission potential in school-age children, the applicant has added school-based surveys to on-going cross-sectional studies. They will test the hypothesis that children at high risk of carrying malaria infection, including gametocytes, can be reached through school-based interventions. The applicant will take advantage of the career development components of this award to enrich her knowledge base and international partnerships that will allow her to expand the scope of her research and develop new interventions in Malawi. This proposal includes an integrated, comprehensive mentoring plan to train U.S.- and Malawi-based investigators in the technical, scientific and professional skills required to succeed in patient-oriented research. The applicant and her research team strive to design hypothesis-driven studies that lead to evidence-based interventions to improve the health of those who suffer from malaria and contribute scientific insight to help eradicate malaria.

Public Health Relevance

This grant is designed to support mentorship of the next generation of translational, patient-oriented malaria researchers in the United States and Malawi and also to allow the applicant to acquire new skills and knowledge to expand her research capacity. With the benefit of this training and support, the applicant and her trainees will develo new strategies to help prevent, treat and eventually eradicate malaria.

National Institute of Health (NIH)
National Institute of Allergy and Infectious Diseases (NIAID)
Midcareer Investigator Award in Patient-Oriented Research (K24)
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Study Section
Microbiology and Infectious Diseases B Subcommittee (MID)
Program Officer
Rao, Malla R
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University of Maryland Baltimore
Schools of Medicine
United States
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Cohee, Lauren; Laufer, Miriam (2018) Tackling malaria transmission in sub-Saharan Africa. Lancet Glob Health 6:e598-e599
Cohee, Lauren M; Chilombe, Moses; Ngwira, Andrew et al. (2018) Pilot Study of the Addition of Mass Treatment for Malaria to Existing School-Based Programs to Treat Neglected Tropical Diseases. Am J Trop Med Hyg 98:95-99
Divala, Titus H; Mungwira, Randy G; Mawindo, Patricia M et al. (2018) Chloroquine as weekly chemoprophylaxis or intermittent treatment to prevent malaria in pregnancy in Malawi: a randomised controlled trial. Lancet Infect Dis 18:1097-1107
Dara, Antoine; Travassos, Mark A; Adams, Matthew et al. (2017) A new method for sequencing the hypervariable Plasmodium falciparum gene var2csa from clinical samples. Malar J 16:343
Buchwald, Andrea G; Coalson, Jenna E; Cohee, Lauren M et al. (2017) Insecticide-treated net effectiveness at preventing Plasmodium falciparum infection varies by age and season. Malar J 16:32
Cohee, Lauren M; Laufer, Miriam K (2017) Malaria in Children. Pediatr Clin North Am 64:851-866
Boudová, Sarah; Walldorf, Jenny A; Bailey, Jason A et al. (2017) Mother-Newborn Pairs in Malawi Have Similar Antibody Repertoires to Diverse Malaria Antigens. Clin Vaccine Immunol 24:
Nyangulu, Wongani Js; Mwinjiwa, Edson; Divala, Titus H et al. (2017) Frequent malaria illness episodes in two Malawian patients on antiretroviral therapy soon after stopping cotrimoxazole preventive therapy. Malawi Med J 29:57-60
Hsu, Haoting; Boudova, Sarah; Mvula, Godfrey et al. (2016) Prolonged PD1 Expression on Neonatal V?2 Lymphocytes Dampens Proinflammatory Responses: Role of Epigenetic Regulation. J Immunol 197:1884-92
Cohee, Lauren M; Kalilani-Phiri, Linda; Mawindo, Patricia et al. (2016) Parasite dynamics in the peripheral blood and the placenta during pregnancy-associated malaria infection. Malar J 15:483

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