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Microbiology

Image: Representative results of the rapid polymyxin NP [Nordmann/Poirel] test. Non-inoculated wells are shown as controls (first column). The rapid polymyxin NP test was performed with a reference colistin-susceptible isolate (second column) and with a reference colistin-resistant isolate (third column) in a reaction medium without (upper row) and with (lower row) colistin (Photo courtesy of the University of Fribourg).

Rapid Detection Method Developed for Polymyxin-Resistant Enterobacteria

Among the most clinically significant multidrug-resistant bacteria are carbapenemase-producing Enterobacteriaceae, yet these bacteria usually remain susceptible to polymyxins, so interest in polymyxins has been renewed worldwide. More...
01 Jun 2016
Image: The typical erythema migrans or bulls-eye rash often but not always seen in Lyme disease (Photo courtesy of the CDC).

Early-Detection Urine Test Is Effective for Lyme Disease

Prompt antibiotic treatment of early stage Lyme Borreliosis (LB) prevents progression to severe multisystem disease and there is a clinical need to improve the diagnostic specificity of early stage Lyme assays in the period prior to the mounting of a robust serology response. More...
01 Jun 2016
Image: A scanning electron micrograph (SEM) of budding Epstein-Barr virus and a B-cell lymphocyte (Photo courtesy of the Albert Einstein College of Medicine).

Molecular Methods Compared for Quantitative Detection of Epstein-Barr Virus

Quantitative detection of Epstein-Barr virus by real time polymerase chain reaction (PCR) has become standard of care in the management of immunocompromised patients and is integral to their treatment. More...
31 May 2016
Image: The SD Bioline Dengue Duo Rapid Diagnostic Test (RDT) (Photo courtesy of Standard Diagnostics).

Dengue Rapid Diagnostic Tests Recycled For Serotyping

Dengue virus infection causes major public health problems in tropical and subtropical areas, but in many endemic areas, inadequate access to laboratory facilities is a major obstacle to surveillance and study of dengue epidemiology. More...
25 May 2016
Image: The Xpert Norovirus assay cartridge (Photo courtesy of Cepheid).

Norovirus Assays Compared In Acute Gastroenteritis Patients

Noroviruses (NoVs) are the most common cause of acute viral gastroenteritis worldwide and they affect all age group and are frequently involved in outbreaks in communal facilities, such as hospitals, schools, prisons, cruise ships. More...
24 May 2016
Image: A transmission electron micrograph (TEM) of Zika Virus particles (red) (Photo courtesy of the CDC / Cynthia Goldsmith).

Optimized Tests for Highly Reliable Diagnosis of Zika

Upon finding that several conventional Zika virus tests are not sufficiently reliable, scientists have developed and made available optimized assays as well as a control for quantifying Zika virus RNA in patient samples (blood and urine). More...
24 May 2016
Image: Adult deer tick Ixodes scapularis. Lyme disease is caused by Borrelia bacteria and transmitted to humans upon the bite of infected ticks of the genus Ixodes (Photo courtesy of Scott Bauer, Agricultural Research Service of United States Department of Agriculture).

Differentiating Septic Arthritis from Lyme Disease Arthritis in Children’s Knees

The two conditions often include similar symptoms and both can show elevated measurements in laboratory tests for inflammation and for white blood cell (WBC) counts – however each condition requires different immediate treatment. A new study identifies symptoms that are predictive of septic arthritis when the condition presents itself in a child’s knee – an important distinction in areas where Lyme disease is endemic. More...
24 May 2016
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The LabMedica Microbiology channel provides the latest news in the fields of epidemiology, bacteriology, virology, and parasitology, all viewed from the unique perspective of Laboratory Medicine.
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