This is a Request for Information (RFI) for non-personal research and development support services for the U.S. Naval Medical Research Unit SOUTH (NAMRU SOUTH), not a solicitation for proposals. The contractor would support vaccine trials, drug studies, and infectious disease surveillance across locations including Lima and Iquitos, Peru, and Soto Cano Air Force Base in Honduras. Performance locations are primarily in Peru and Honduras, with other sites within the U.S. Southern Command area of responsibility specified at the task order level. No budget amounts are specified in this notice. Respondents must confirm they have a current Federal Wide Assurance and can perform the entire scope of work to be considered for any future solicitation.