Hantavirus Outbreak: Introduction, Outbreak Status and Impact, Origin and Transmission, and Prevention Measures

 Introduction As of May 7, 2026, international health authorities are responding to a rare and deadly hantavirus outbreak aboard the Dutch expedition cruise ship MV Hondius. The outbreak is specifically linked to the Andes strain, which is notable for being the only hantavirus variety capable …

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Xpert MTB/RIF: Introduction, Principle, Procedure, Result-Interpretation, Uses, and Keynotes

GeneXpert® Xpert® MTBRIF Test Result- MTB Detected (Very Low) and Rifampicin Resistance Not Detected

Introduction The Xpert MTB/RIF assay is an automated, cartridge-based molecular test used to detect Mycobacterium tuberculosis (MTB) and rifampicin (RIF) resistance, the most potent first-line anti-TB drug. Endorsed by the WHO in 2010, the Xpert MTB/RIF assay revolutionized TB diagnosis by providing results in less than two …

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Xpert MTB/RIF Ultra: Introduction, Principle, Procedure, Result-Interpretation, Uses, and Keynotes

GeneXpert Dx System software interface displaying a completed diagnostic result for an Xpert MTB-RIF Ultra assay

Introduction Xpert MTB/RIF Ultra is an automated diagnostic test designed for the rapid and simultaneous detection of Mycobacterium tuberculosis (MTB) and resistance to rifampin (RIF). It is a second-generation assay developed by Cepheid to provide significantly higher sensitivity than the original Xpert MTB/RIF, particularly for …

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Mycobacterium tuberculosis: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Mycobacterium tuberculosis colony morphology on LJ medium

Introduction Mycobacterium tuberculosis is a bacterium that causes tuberculosis (TB), a contagious infectious disease primarily affecting the lungs but can also affect other parts of the body. TB has been a significant public health concern worldwide, causing illness and death for thousands of years. Key …

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