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Microbiology

Image: Colonies of Salmonella enterica Serovar Enteritidis streaked on a Luria Agar plate and incubated at 37 ºC for 24 hours (Photo courtesy of Kevin Hedetniemi and Min-Ken Liao).

New Types of African Salmonella Associated with Lethal Infection

The first global-scale genetic study of Salmonella enteritidis bacteria, which is a major cause of blood poisoning and death in Africa and food poisoning in the Western World, has discovered that there are in fact three separate types. More...
07 Sep 2016
Image: The Cobas e 411 immunoassay analyzer (Photo courtesy of Roche Diagnostics).

Prognostic Biomarkers Predict Dengue Shock and Organ Failure

There are presently no biomarkers that can predict the incidence of dengue shock and/or organ failure, although the early identification of risk factors is important in determining appropriate management to reduce mortality. More...
07 Sep 2016
Image: An example of an approximately 40,000 probe spotted RNA microarray with enlarged inset to show detail (Photo courtesy of Wikimedia Commons).

Two-Gene Panel Differentiates between Pediatric Bacterial and Viral Infections

A two-gene panel was shown to differentiate between viral and bacterial infections in children with fevers with 95-100% accuracy. More...
06 Sep 2016
Image: Immune molecule IL-1β (the \"hot spots\" shown) senses bacterial infections (Photo courtesy of the UC San Diego Health).

Innate Immune Sensor of Microbial Proteolysis Revealed

The human immune system can quickly recognize and respond to bacterial infections, but sometimes this reaction can become skewed, leading to autoimmune diseases such as rheumatoid arthritis. In this case, a person's own immune system attacks "self" proteins instead of just foreign invaders. More...
01 Sep 2016
Image: A histopathology of a malaria-infected placenta (Photo courtesy of Dr. Michal Fried).

Rapid Diagnostic Test Performance Assessed for Placental Malaria

Women experiencing pregnancy-associated malaria may exhibit normal symptoms of malaria, but may also be asymptomatic or present with more mild symptoms, including a lack of the characteristic fever. This may prevent a woman from seeking treatment despite the danger to herself and her unborn child. More...
01 Sep 2016
Image: A histopathology of active toxoplasmosis of the myocardium. Numerous tachyzoites of Toxoplasma gondii are visible within a pseudocyst in a myocyte (Photo courtesy of Dr. Edwin P. Ewing, Jr.).

Latent Toxoplasmosis Prevalence Analyzed Retrospectively

Primary maternal infection with Toxoplasma gondii during pregnancy can lead to prenatal infection of the unborn child, and vertical diaplacental transmission of Toxoplasma can seriously damage the embryo. Some prenatally infected children, asymptomatic at birth, can develop retinochorioiditis and other sequelae months or years later. More...
01 Sep 2016
Image: The Mastercycler nexus thermal cycler (Photo courtesy of Eppendorf).

Molecular Testing Accuracy for Clostridium difficile Scrutinized

Accurate diagnosis of Clostridium difficile infection (CDI) is paramount for patient management and the wrong diagnosis places patients at risk, delays treatment, and/ or contributes to transmission of infection in the healthcare setting. More...
31 Aug 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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