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Microbiology

Image: A scanning electron micrograph (SEM) of infectious particles of the avian H7N9 virus emerging from a cell (Photo courtesy of Medical Xpress).

T Cell Antibody and Memory in H7N9 Survivors Characterized

Avian influenza A (H7N9) is a subtype of influenza viruses that have been detected in birds in the past. This particular A (H7N9) virus had not previously been seen in either animals or people until it was found in March 2013 in China. More...
19 Jul 2019
Image: QuantiFERON-TB Gold (QFT) is an innovative blood test that measures the cell-mediated immune response of Mycobacterium tuberculosis infected individuals (Photo courtesy of Qiagen).

TB Tests May Not Detect Infection in Exposed Individual

Mycobacterium tuberculosis is the leading infectious cause of death worldwide Exposure to M. tuberculosis results in heterogeneous clinical outcomes including primary progressive tuberculosis (TB) and latent tuberculosis infection (LTBI). More...
17 Jul 2019
Image: A photomicrograph of an unstained, formalin preserved stool specimen mount, revealed the presence of a Paragonimus westermani trematode egg. Human infections of this lung fluke are most common in eastern Asia and in South America (Photo courtesy of the CDC).

Antibody Tests Recommended for Parasitic Infection Diagnosis

Pleural parasitic infestation (PPI) is a disease prevalent in certain parts of the world and it is frequently misdiagnosed due to its lack of standardized diagnostic criteria. The clinical manifestations are non-specific and many patients are initially treated for tuberculosis or misdiagnosed as lung cancer. More...
16 Jul 2019
Image: Digitally colorized photomicrograph of fluorescent antibody labeled Streptococcus pneumoniae bacteria in spinal fluid sample (Photo courtesy of the CDC).

Nasal Microbiome Influences Pneumonia and Related Diseases

A recent study examined the influence of the natural microbial flora in the nose and viral co-infection on the acquisition of Streptococcus pneumoniae bacteria and the development of pneumococcal diseases. More...
15 Jul 2019
Image: A researcher preparing blood samples for Actiphage testing (Photo courtesy of the University of Nottingham, School of Bioscience).

Bacteriophage-Based Blood Test Rapidly Detects TB Bacteria

A blood test based on bacteriophage that infect living Mycobacterium tuberculosis (Mtb) bacteria has been shown to diagnose human tuberculosis (TB) and may be able to predict which patients with latent tuberculosis will progress to the active form of the disease. More...
15 Jul 2019
Image: A bone marrow aspirate from a patient suffering from Hemophagocytic Lymphohistiocytosis showing a macrophage that has ingested a nucleated red cell (Photo courtesy of UF).

Dengue Infection Complicated by Hyperinflammatory Condition

The global incidence of dengue infection has grown dramatically and been estimated to 390 million infections yearly. This mosquito-borne virus infection occasionally develops into a potentially lethal state called severe dengue (SD). More...
11 Jul 2019
Image: The Sensititre Complete Automated Antibiotic Susceptibility Testing (AST) System performs all susceptibility testing on a single platform utilizing the superior sensitivity of true MIC results (Photo courtesy of Thermo Fisher Scientific).

Commercial System Effective for Cefiderocol Susceptibility Testing

The novel formulation of the cephalosporin antibiotic makes it very effective against gram-negative non-fastidious bacteria that are otherwise highly resistant to antibiotics, including carbapenem-resistant strains of Enterobacteriaceae and non-fermenters. More...
11 Jul 2019
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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.