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Microbiology

Image: Micrograph of Whipple’s disease. This duodenal biopsy shows the characteristic feature of Whipple’s disease; foamy macrophages are present in the lamina propria cells (Photo courtesy of Nephron).

Whipple’s Disease Pathogen Found in International Diarrhea Patients

Tropheryma whipplei is the causative agent of Whipple’s disease. The organism has also been detected in the feces of healthy or asymptomatic persons and in the feces of patients with diarrhea. Symptoms tend to develop slowly over many years in most people with this disease. More...
11 Mar 2021
Image: Schematic diagram of a neutrophil activation signature predicting critical illness and mortality in COVID-19 (Photo courtesy of Yale School of Medicine).

Blood Tests Offer Early Indicator of Severe COVID-19

For most patients, COVID-19 manifests as an upper respiratory tract infection that is self-limited. However, the progression of COVID-19 in a large subset of patients to respiratory distress, multiorgan failure, and death has resulted in an enormous global impact. More...
09 Mar 2021
Image: The iRICELL series combines urine chemistry and microscopy in a fully automated, walk-away workcell that is easy to use and maintain and optimizes and advances urinalysis and body fluid testing (Photo courtesy of Beckman Coulter).

Three Automated Urine Analyzers Compared with Manual Microscopic Urinalysis

Urinalysis is an essential screening test in clinical laboratories in order to diagnose and plan treatment for urinary tract infections, kidney disease and diabetes. Urinalysis includes visual examination, evaluation of chemical parameters and microscopic examination. More...
03 Mar 2021
Image: Malaria: Thick bloods smear showing ring-form trophozoites of Plasmodium vivax that are difficult to detect. Two ring-forms are arrowed (Photo courtesy of US Centers of Diseases Control and Prevention).

Magneto-Optical Diagnosis Evaluated for Symptomatic Malaria

Malaria places a significant social and economic burden on many tropical developing countries, further undermining the potential for growth. Development of rapid, easy-to-use and low-cost malaria diagnostic methods, with high sensitivity and specificity, remains an urgent priority for tropical diseases. More...
02 Mar 2021
Image: The Pharos Micro prototype used in pulse-controlled amplification for infectious disease diagnostics (Photo courtesy of Bundeswehr Institute of Microbiology).

Pulse-Controlled Amplification Tested for Infectious Disease Diagnostics

Molecular diagnostics has become essential in the identification of many infectious and neglected diseases, and the detection of nucleic acids often serves as the gold standard technique for most infectious agents. More...
25 Feb 2021
Image: The BinaxNOW Legionella Urinary Antigen Card. Accurate. Rapid identification of Legionnaires` disease caused by Legionella pneumophila serogroup 1 with an easy-to-use technology (Photo courtesy of Abbott).

Urinary Antigen Test Kit Evaluated for Diagnosing Legionella Pneumonia

Legionellosis is caused by bacteria called Legionella. The disease has two different forms. Legionnaires’ disease is the more severe form of infection that causes pneumonia. Pontiac fever is caused by the same bacteria, but is a milder illness without pneumonia. More...
24 Feb 2021
Image: T cell response in patients recovered from COVID-19 has been profiled using ImmunoScape TargetScape assay (Photo courtesy of The Scientist).

T Cell Response Profiled in COVID-19 Patients

The clinical spectrum of SARS-CoV-2 infection is highly variable, spanning from asymptomatic or subclinical infection, to severe or fatal disease. Characterization of the immune response to SARS-CoV-2 is urgently needed in order to better inform more effective treatment strategies, including antivirals and rationally designed vaccines. More...
22 Feb 2021
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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.