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Study: Breastfeeding could reduce common infections among Indigenous infants

TORONTO, Aug. 17, 2015--Promoting breastfeeding could lead to a substantial reduction in common infections and even deaths that are more common in Indigenous infants than non-Indigenous infants, a new study suggests. Read More

Smallpox vaccine - photos of immunization site

Click source to view photos of the development of a smallpox immunization lesion on a listener of This Week in Virology's arm. Read More

Honoring the Memory of Another

The late Edward Leadbetter had a huge impact on my life as an academic, and a microbiologist. In this post, I try to give some appreciation to what he meant to me. Read More

Paper-based test can quickly diagnose Ebola in remote areas (video)

BOSTON, Aug. 18, 2015 -- When a fever strikes in a developing area, the immediate concern may be: Is it the common flu or something much worse that requires quarantine? To facilitate diagnosis in remote, low-resource settings, researchers have developed a paper-based device that changes color, d... Read More

Symbol Of ASM

This study done at department of Clinical Microbiology, TU Teaching Hospital , Kathamandu, Nepal.
Clinical specimen: Sputum
Media: Muller Hinton Agar
Incubation condition: at 37'c for 24hrs.
Isolate: Pseudomonas aerugionsa
Pic: Symbol of ASM.

Pseudomonas aeruginosa is a Gram-negative rod... Read More

Modified Ziehl Neelsen Stained Cyclospora cayetanensis

Hi, I am doing a research in Cryptosporidium parvum and Cyclospora cayetanensis infection among School children of kathmandu at Public health research laboratory, the Institute of Medicne, kathmandu.

This is a Modified ZN stained image of Cyclospora cayetanensis isolated form a 5 year School... Read More

UGA researchers develop breakthrough tools in fight against cryptosporidium

Athens, Ga. - Researchers at the University of Georgia have developed new tools to study and genetically manipulate cryptosporidium, a microscopic parasite that causes the diarrheal disease cryptosporidiosis. Their discoveries, published in the journal Nature, will ultimately help researchers in... Read More

Molecular 'kiss of death' flags pathogens

DURHAM, N.C. -- Many bugs that make us sick -- bacteria, viruses, fungi and parasites -- hide out in our cells in protective little bubbles called vacuoles. To clear an infection, the immune system must recognize and destroy these vacuoles while leaving the rest of the living cell intact. Read More

Some vaccines support evolution of more-virulent viruses

Scientific experiments with the herpesvirus such as the one that causes Marek's disease in poultry have confirmed, for the first time, the highly controversial theory that some vaccines could allow more-virulent versions of a virus to survive, putting unvaccinated individuals at greater risk of ... Read More

Sendai virus defends against a threat

A research group at Hiroshima University demonstrated the mechanism by which the Sendai virus (SeV) escapes the host immune system. The researchers examined the crystal structure of the complex of SeV C protein and transcription factor STAT1, and found that SeV C protein inhibits the signal tran... Read More

Chromobacterium violaceum, Staphylococcus chromogenes, Staphylococcus aureus, Staphylococcus epidermidis

Created by: Michelle Vu, Research Associate, BS Microbiology
Isolate: Chromobacterium violaceum, Staphylococcus epidermidis, Staphylococcus aureus
Media: Blood Agar
Incubation Conditions: 24 hours at 37C + 24 hours at Room Temperature


Pictured is Chromobacterium violaceum, Staphylococcus... Read More

Plague infected humans much earlier than previously thought

Plague infections were common in humans 3,300 years earlier than the historical record suggests, reports a study published October 22 in Cell. By sequencing the DNA of tooth samples from Bronze Age individuals from Europe and Asia, the researchers discovered evidence of plague infections roughly... Read More

Interrupting the transmission cycle: A protein required for dengue virus infection of mosquitoes

There is currently no approved specific treatment or vaccine for dengue fever, and an estimated 2 billion people are at risk for being bitten by Aedes mosquitoes and infected with the dengue virus (DENV). A study published on October 22nd in PLOS Pathogens introduces a candidate target for a tra... Read More

How long have primates been infected with viruses related to HIV?

Disease-causing viruses engage their hosts in ongoing arms races: positive selection for antiviral genes increases host fitness and survival, and viruses in turn select for mutations that counteract the antiviral host factors. Studying such adaptive mutations can provide insights into the distan... Read More

The next anti-tuberculosis drug may already be in your local pharmacy

Testing thousands of approved drugs, EPFL scientists have identified an unlikely anti-tuberculosis drug: the over-the-counter antacid lansoprazole (Prevacid®). Read More

Toxoplasma gondii

Toxoplasma gondii - schizogony from cat gut Read More

Kluyvera ascorbata from blood sample

Kluyvera is a relatively newly described genus in the family Enterobacteriaceae that infrequently causes infections in humans. The organism has been isolated from various clinical specimens but its has been regarded alternatively as saprophytic, opportunistic, or pathogenic. In our case Kluyvera... Read More

Guinea reports Ebola-free week, but Sierra Leone has 5 cases

For the first time in more than a year, Guinea passed a week without a new lab-confirmed Ebola case, but the news out of West Africa last week was tempered by a flare-up of activity in Sierra Leone, the World Health Organization (WHO) reported today in its latest update. Read More

NIH-funded study establishes genomic data set on Lassa virus

An international team of researchers has developed the largest genomic data set in the world on Lassa virus (LASV). The new genomic catalog contains nearly 200 viral genomes collected from patient samples in Sierra Leone and Nigeria, as well as field samples from the major animal reservoir, or h... Read More

Biologist investigates how gene-swapping bacteria evade antibiotics

A scientific peek into bacteria boudoirs is revealing how "sex" among disease-causing microbes can lead different species or strains to become resistant to antibiotic medications. Read More
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