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Microbiology

Image: BinaxNOW COVID-19 Ag Cards (Photo courtesy of Abbott Laboratories)

Serial SARS-CoV-2 Rapid Antigen Testing Evaluated During Outbreaks

Serial, facility-wide testing for SARS-CoV-2 can help identify cases in outbreak settings, allowing for rapid implementation of transmission-based precautions and infection prevention and control strategies. More...
13 May 2021
Image: Schematic diagram of a rich meconium metabolome in human infants is associated with early-life gut microbiota composition and reduced allergic sensitization (Photo courtesy of University of British Columbia)

Meconium Microbiome Can Help Predict Risk of Developing Allergies

Meconium, which is typically passed within the first day of life, is made up of a variety of materials ingested and excreted during development, ranging from skin cells, amniotic fluid and various molecules known as metabolites. More...
12 May 2021
Image: The AMPLIX real-time polymerase chain reaction system (Photo courtesy of Biosynex)

LAMP Assay Developed to Diagnose High HBV DNA Levels

Worldwide, 257 million people are chronically infected with hepatitis B virus (HBV) and 887,000 annually die from cirrhosis or liver cancer. Since more than 95% of HBV-infected people live in low-income and middle-income countries (LMICs) and only 12-25% of infected people are eligible for anti-HBV therapy. More...
05 May 2021
Image: Histopathology of the lung showing diffuse alveolar damage seen in patients who are infected with the COVID-19 virus (Photo courtesy of Sanjay Mukhopadhyay, MD)

Genetic Factors Linked to Severe COVID-19, Viral Infections in Children

Although children, in general, are thought to experience relatively mild infections with SARS-CoV-2, a subset of infected children do become very ill and develop a condition known as Multisystem Inflammatory Syndrome in Children (MIS-C). More...
29 Apr 2021
Image: A 47-year-old man with mucormycosis and (b) electron micrograph of his skin showing sporangia of Mucorales fungi: non-apophysate sporangia with pronounced columellae and conspicuous collarette at the base of the columella following sporangiospore dispersal (Photo courtesy of IntechOpen Limited)

Different Methods Compared for Isolating Fungal DNA

Mucormycosis (previously called zygomycosis) is a serious, but rare fungal infection, caused by a group of molds called mucormycetes. These molds live throughout the environment. Mucormycosis mainly affects people who are immunocompromised or diabetic. More...
26 Apr 2021
Image: The cobas c 701 module is a high throughput clinical chemistry module that performs photometric assay tests for a wide range of analytes (Photo courtesy of Roche Diagnostics)

Serum α-L-Fucosidase Activity Measured for COVID-19 Infection

An unusual fucosylated LacdiNAc in the receptor-binding domains of the spike protein of COVID-19 has been observed. Reduced fucosylation was also found in a specific Fc domain of IgG antibodies in COVID-19 patients that enhanced the interactions with the activating FcγR, FcγRIIIa. More...
22 Apr 2021
Image: Darkfield photomicrograph (magnified 400x) showing the presence of the spirochaete Borrelia burgdorferi, which is the pathogen that causes Lyme disease (Photo courtesy of [U.S.] Centers for Disease Control and Prevention via Wikimedia Commons)

Sensitive PCR Test Detects Early Stage Lyme Disease

A highly sensitive blood test detects the bacteria that causes Lyme disease in early stages of the infection, when treatment can prevent the development of serious or fatal consequences of the chronic disease. More...
19 Apr 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.