Researchers Developed Rapid Ebola and Lassa Test

A new portable device can distinguish between Ebola and Lassa viruses using a single pin-prick blood sample.

Updated on Sept. 21, 2026 in Diseases — General

A close-up of a sterile diagnostic test cartridge and a glass pipette on a brushed-steel laboratory table. — Researchers from Cornell University and the U.S. Army have developed a portable diagnostic platform that identifies Ebola and Lassa viral proteins within five seconds. AI Illustration. Upload story photo >

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Cornell University and U.S. Army researchers published a study on August 31, 2026, detailing a portable diagnostic platform that identifies Ebola and Lassa viral proteins. The system provides objective results in under five seconds from a small blood sample.

Why it matters

Distinguishing between these two viruses is critical because they share similar early symptoms but require entirely different medical interventions. This platform addresses the lack of centralized laboratory infrastructure in regions where these outbreaks frequently occur.

The Portable Rapid Onsite Versatile Image-based Detection System uses camera-assisted software to analyze diagnostic strips in less than 5 seconds. This method replaces the need for complex, off-site laboratory processing.

The players

Cornell University

This is a private Ivy League research university based in Ithaca, New York, that leads extensive work in engineering and public health.

U.S. Army Medical Research Institute of Infectious Diseases

This is the primary laboratory for the U.S. Department of Defense focused on investigating biological threats and infectious diseases.

National Institutes of Health

This is the primary federal agency responsible for biomedical and public health research in the United States.

The details

The device, known as PROVIDS, works by using a camera to photograph a test strip that captures specific viral proteins from a patient blood sample. Specialized software then processes these images to generate an accurate diagnosis.

August 31, 2026: The research study was published in the journal Analytical Chemistry.

Deeper Dive

This research follows a pattern set by the Military Infectious Diseases Research Program, which prioritizes the development of rugged, portable technologies for use in resource-limited environments.

This development could eventually simplify frontline medical responses by allowing healthcare workers to provide accurate, rapid triage in the field. Patients would benefit from faster diagnosis, ensuring they receive the correct treatment protocol sooner than currently possible.

The takeaway

Portable diagnostics serve as a vital tool for improving outcomes in regions where lab access is limited. Implementing such rapid testing systems can significantly reduce the time required to initiate life-saving medical care during an outbreak.