Why COVID caused less illness in Malawi
Official title: COVID Transmission and Morbidity in Malawi (COVID-TMM)
Funded at Boston University Medical Campus · NIH-11494096 · Data updated 2026-11-12
This project looks at how past infections like malaria, worm infections, nutrition, and other health factors change immune responses to COVID-19 in adults in Malawi.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Boston University Medical Campus NIH-funded |
| Lab location | 1 site (Boston, United States) |
| Project start | April 1, 2026 |
| Project end | March 31, 2027 |
| Funding year | 2026 |
| Award (this year) | $72,360 |
| NIH project number | 3R01AI164686-05S2 |
| Project ID | NIH-11494096 on NIH RePORTER |
Who could benefit from this research
✓Could help
Adults aged 21 and over living in Malawi or similar sub-Saharan African settings, including people with or without prior malaria or helminth infections and with various vaccination histories, are ideal candidates.
✕Less likely to help
People under 21, those living outside malaria-endemic or sub-Saharan African settings, or those without prior exposure to malaria/helminths are unlikely to gain direct benefit from this project.
What this research studies
If you join, researchers would ask about your health history and recent illness and collect blood samples to measure immune markers, antibodies, and signs of past infections like malaria or helminths. They will compare people with and without these infections and with different nutritional and anemia status to see how innate immune responses and antibodies relate to catching SARS-CoV-2 and having symptoms. The team will also look at responses after COVID-19 vaccination where possible. The goal is to link common local health conditions to who gets infected, who stays symptom-free, and how well vaccine-related immunity lasts.
Why it matters
Potential benefit: If successful, this work could explain why COVID-19 caused less severe disease in Malawi and help tailor vaccines or public health strategies for populations with malaria or other common infections.
How similar studies have gone: Some prior research shows that past infections and innate immune changes can alter responses to new infections, but applying this specifically to malaria/helminth effects on COVID-19 outcomes in Malawi is a relatively new and not fully proven approach.
Where this research is happening
-
Boston University Medical Campus
Boston, United States Active
Researchers
- Principal investigator: Valim, Clarissa — Boston University Medical Campus
- Study coordinator: Valim, Clarissa
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About this research
- This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
- Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
- For full project details, budget, and progress reports, visit the official NIH RePORTER page.