Portable CRISPR-Based Diagnostic Tool Detects Mpox in Sierra Leone Field Tests

Researchers developed and field-tested a portable, CRISPR-based diagnostic tool for Mpox during the 2025 outbreak in Sierra Leone. The study, published in *Nature Communications*, details how this rapid assay identifies the virus in clinical samples outside of traditional laboratory settings, offering a potential alternative to conventional molecular testing methods.

The diagnostic platform utilizes CRISPR-Cas technology to detect specific genetic sequences of the Mpox virus. During the field evaluation, the research team deployed the portable kits to clinical sites in Sierra Leone to assess their performance against standard polymerase chain reaction (PCR) testing. The findings indicate that the assay provides results in a significantly shorter timeframe than laboratory-based diagnostics, while maintaining a high level of sensitivity and specificity. By enabling point-of-care testing, the device aims to reduce the logistical challenges associated with transporting samples to centralized facilities in resource-limited environments.

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Date: June 6, 2026

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GOAI