HAPIN Trial centers are located in four countries:

In Guatemala, the research center is based at Universidad del Valle de Guatemala in Guatemala City and is led by John McCracken, Anaité Díaz Artiga and Lisa Thompson.

In India, the research center is based at Sri Ramachandra Institute of Higher Education and Research in Chennai and is led by Kalpana Balakrishnan and Thangavel Gurusamy.
In Peru, the research center was established by Johns Hopkins University in collaboration with AB PRISMA in Puno and the Universidad Peruana Cayetano Heredia in Lima, and is led by William Checkley and Marilu Chiang.
In Rwanda, the research center was established by the London School of Hygiene & Tropical Medicine and is led by Ghislaine Rosa.

Principal Investigators

The overall study is led by three Principal Investigators:

Core Leads

Data Management  Biomarkers Behavioral & Economics
  • Steve Harvey (Johns Hopkins Univeristy)
  • Kendra Williams (Johns Hopkins University)
Clinical & Imaging Exposure Assessment
Nutrition Pneumonia  Statistical Analysis