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Microbiology

Image: A new analysis suggest that two deadly flu viruses, variants of subtypes H10N8 and H6N1, have not acquired changes that would allow them to infect people easily (Photo courtesy of the Scripps Research Institute).

Chinese Bird Flu Strains Retain Specificity for Avian Receptors

A team of molecular virologists found no indication of a looming "bird flu" pandemic when they determined in laboratory studies that two strains of bird flu that had sickened and killed several individuals in China were better adapted to bird cell receptors and only bound weakly to the human analogs.  More...
23 Mar 2015
Image: Colorized transmission electron micrograph (TEM) showing H1N1 influenza virus particles (Photo courtesy of the [US] National Institute of Allergy and Infectious Diseases).

Recent Indian Swine Flu Isolates Display Mutations for Increased Virulence

Newly generated data regarding the H1N1 strain of swine flu that has killed more than 1,200 since December 2014 suggests that the virus has acquired mutations that make it more dangerous than previously circulating strains of H1N1 influenza.  More...
22 Mar 2015
Image: A gametocyte of Plasmodium falciparum in a thin blood smear and also seen are ring-form trophozoites and a red blood cell exhibiting basophilic stippling (Photo courtesy of Dr. Mae Melvin).

Highly Sensitive Method Detects Malaria Parasites

A large proportion of asymptomatic malaria infections can only be identified by surveillance with molecular methods, yet these infections also contribute to onward transmission to mosquitoes.   More...
18 Mar 2015

Effectiveness of Point-of-Care Diagnostics for Schistosomiasis, Reviewed

Findings from an independent review of studies suggests that currently available point-of-care tests are significantly less reliable than conventional microscopy, emphasizing the need for development of better and affordable POC diagnostics for schistosomiasis, classified as a neglected tropical diseases.  More...
16 Mar 2015
Image: The ultrastructural morphology exhibited by a single Gram-positive Clostridium difficile bacillus (Photo courtesy of Melissa Brower/CDC).

Increased Clostridium Difficile Infections Due to Antibiotic Misuse

Changes in the epidemiology of Clostridium difficile infections have occurred since the emergence of the North American pulsed-field gel electrophoresis type 1 strain, which has been responsible for geographically dispersed hospital-associated outbreaks.  More...
11 Mar 2015
Image: The diagnostic system is based on triangular silver nanoparticles that display different colors depending on their size (Photo courtesy of the Massachusetts Institute of Technology).

Rapid Lateral Flow Assay Detects Several Viral Fevers Simultaneously

A team of biomedical engineers has developed a rapid diagnostic test that is able to detect several viruses such as Ebola, dengue fever, and yellow fever simultaneously from a single sample of patient's serum.  More...
10 Mar 2015
Caption: Colorized transmission electron micrograph (TEM) revealing some of the ultrastructural morphology of an Ebolavirus virion (Image courtesy of Cynthia Goldsmith and the Centers for Disease Control and Prevention (USA; CDC ref# PHIL 1832), via Wikimedia Commons).

Rapid Ebola Test Receives FDA Authorization and WHO Listing for Emergency Use

US FDA emergency-use-authorization allows the test to be used worldwide for the presumptive detection of Zaire ebolavirus in individuals with signs and symptoms of infection in conjunction with epidemiological risk factors, including geographic locations with high prevalence of infection.  More...
09 Mar 2015
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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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