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Microbiology

Image: A photomicrograph of a blood smear containing both immature and mature trophozoites of the Plasmodium vivax parasite (Photo courtesy of Dr. Mae Melvin / CDC).

Sharp Increase in Benign Tertian Malaria Observed in Migrants

Since 2014, the number of reported malaria cases of malaria in Europe have almost doubled compared to the previous years and clinicians are observing growing numbers of Plasmodium vivax infections, predominantly in refugees from Eritrea. More...
29 Jun 2016
Image: A colorized scanning electron micrograph (SEM) showing a number of Gram-negative Escherichia coli bacteria of the strain O157:H7 (Photo courtesy of the CDC).

Nanoscale Biosensor for Detection of Pathogenic Bacteria under Field Conditions

A team of bioengineers used nanoscale technology to develop a simple, portable biosensor system for detection of pathogenic bacteria – such as the diarrhea-causing Escherichia coli (E. coli) 0157:H7 – under field conditions. More...
27 Jun 2016
Image: The QP2010 Plus gas chromatography-mass spectrometry analyzer (Photo courtesy of Shimadzu).

Breath Analysis Aims To Reduce Unnecessary Antibiotic Prescriptions

A number of multiresistant pathogens including Acinetobacter baumannii place a heavy burden on ventilator-associated pneumonia (VAP) patients in intensive care units (ICU), and it is critically important to differentiate between bacterial infection and colonization to avoid prescribing unnecessary antibiotics. More...
23 Jun 2016
Image: A colorized scanning electron micrograph (SEM) of a strain of Staphylococcus aureus bacteria enmeshed within the pseudopodia of a red-colored human white blood cell (WBC) (Photo courtesy of the National Institute of Allergy and Infectious Diseases).

Glucocorticoid Use Associated with Serious Bacterial Blood Infection Risk

The risk of life-threatening blood infections by Staphylococcus aureus bacteria is more than doubled in users of systemic glucocorticoids compared with non-users and the risk escalates with increasing dose. More...
21 Jun 2016
Image: A histopathology of Hepatitis C viral infection of the liver, necrosis and inflammation are prominent, and there is some steatosis (Photo courtesy of the University of Utah Medical School).

Novel Test Allows for One-Step Diagnosis of HCV Infection

The current standard in diagnosing Hepatitis C virus (HCV) infection requires two sequential steps that make it suboptimal, costly, inconvenient, time consuming, and globally not widely available or affordable. More...
21 Jun 2016
Image: In the new pathogen-detection technology, engineered FcMBL proteins coupled to magnetic beads (grey) specifically bind to carbohydrate molecules on the surface of pathogens, like infectious E. coli (blue) in this electron micrograph, or on fragments of dead pathogens circulating in the bloodstream. After isolation in a magnetic field, the total pathogenic material is quantified with a second FcMBL protein linked to a color-producing enzyme (Photo courtesy of Wyss Institute at Harvard University).

Novel Test May Enable Quick Reliable Detection of Sepsis

Researchers have developed a rapid specific diagnostic assay that could help physicians decide within an hour whether a patient has a systemic infection. Its potential to detect pathogen materials was demonstrated in animal studies and a prospective human clinical study, whose results also suggested that it could also serve as a companion diagnostic to monitor antibiotic and dialysis-like sepsis therapies. More...
20 Jun 2016
Image: The MassARRAY system for iPlex single nucleotide polymorphism (SNP) genotyping (Photo courtesy of Sequenom).

Genes Identified That Increase Children's Risk Of Blood Infection

Bacteremia is a bacterial infection of the bloodstream, and a major cause of illness and death in sub-Saharan Africa but little is known about whether human genetics play a part. More...
16 Jun 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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