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Microbiology

Image: Burkholderia pseudomallei colonies grown on Ashdown\'s agar after four days incubation showing the characteristic cornflower head morphology (Photo courtesy of Gavin Koh).

Cost-Effectiveness of Media for Melioidosis Diagnosis Reviewed

Melioidosis is a frequently fatal disease caused by a soil bacterium called Burkholderia pseudomallei that is widespread in the rural tropics. The yield of B. pseudomallei from sites with a normal flora is increased by culture using selective, differential media such as Ashdown’s agar and selective broth. More...
09 Aug 2019
Image: The device without a smartphone (left) and with a smartphone attached (right) (Photo courtesy of Rohan Mehra - Division for Strategic Public Relations).

Smartphone-Based Device Used for Influenza Virus Detection

A simple and inexpensive smartphone-based device was able to detect influenza virus particles in clinical samples with almost 100 times greater sensitivity than commercial rapid influenza diagnostic tests. More...
05 Aug 2019
DIASOURCE (A Biovendor Company)
Image: Bacteria in the gut are pulled into the helical channels by an osmotic “pump” generated by a calcium salt-filled chamber within the pill (Photo courtesy of Nano Lab, Tufts University).

Novel Diagnostic Device Profiles Population of Gut Microbiome

Researchers used a three-dimensional (3D) printer to manufacture a novel pill-like diagnostic tool capable of profiling the bacterial species comprising the gut microbiome in the critical area between the stomach and the colon. More...
05 Aug 2019
Image: The Applied Biosystems Veriti HID 96-Well Thermal Cycler (Photo courtesy of Thermo Fisher Scientific).

Multiplex PCR Developed for Neglected Infectious Diseases

Scrub typhus, murine typhus, and leptospirosis are diagnosed as acute undifferentiated febrile illness. Diagnostic tests for these diseases depend on antibody detection. However, antibody detection is still limited by its tendency to return negative results during the early phase of these diseases. More...
01 Aug 2019
Image: A photomicrograph of Gram stain of toxigenic Clostridioides difficile from a stool sample (Photo courtesy of the University of Washington).

Clostridioides difficile Contamination Uncovered in Clinical Lab

Clostridioides (formerly Clostridium) difficile infection is one of the most common hospital-acquired (nosocomial) infections and is an increasingly frequent cause of morbidity and mortality among older adult hospitalized patients. C. difficile is a spore-forming, Gram-positive anaerobic bacillus that produces two exotoxins: toxin A and toxin B. More...
01 Aug 2019
Image: The Xpert MRSA/SA SSTI assay detects methicillin-resistant S. aureus (MRSA) & S. aureus (SA) in skin and soft tissue infections in less than one hour (Photo courtesy of Cepheid).

Rapid Diagnostic Panel Used for Pediatric Musculoskeletal Infections

The findings from a retrospective analysis suggested that the use of a rapid musculoskeletal diagnostic panel, or MDP, could have shortened the time it took to identify the cause of infection, provide appropriate antibiotics and reduce the length of stay for children in hospital. More...
31 Jul 2019
Image: Thin blood smear showing a Plasmodium falciparum gametocyte (single arrow) and a schizont of P. vivax (double arrow) from a mixed infection case (Photo courtesy of Sulekha Bhat et al).

Submicroscopic Malaria Prevalence Reported in Immigrants

Malaria remains the most important parasitic infection for humans, causing about 2,000 deaths per day, especially in African children younger than five years old. The importance of submicroscopic malaria infections in high-transmission areas could contribute to maintain the parasite cycle. More...
30 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.
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