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Why flu is worse in eldery ?

Death from influenza virus in older people may be primarily caused by a damaging immune response to flu and not by the virus itself, new research suggests.

Ninety percent of the deaths attributed to flu each year worldwide occur in people aged 65 and older. To understand why older adults are ... Read More

Assessing gram stain error rates

Because of its simplicity and the rapid time-to-result turnaround, gram staining plays an important role in clinical microbiology. Learning the cell structure helps eliminate potential disease etiologies: learning an isolate is a gram-negative rod doesn’t tell you what the diagnosis is, but it h... Read More

Researchers discover potential treatment for sepsis and other responses to infection

Researchers at the Icahn School of Medicine at Mount Sinai say that tiny doses of a cancer drug may stop the raging, uncontrollable immune response to infection that leads to sepsis and kills up to 500,000 people a year in the U.S. The new drug treatment may also benefit millions of people world... Read More

A 'tropical' parasitic disease emerges in the Canadian Arctic

Montreal, April 28, 2016 - An outbreak of an intestinal parasite common in the tropics, known as Cryptosporidium, has been identified for the first time in the Arctic. The discovery was made in Nunavik, Quebec, by a team from the Research Institute of the McGill University Health Centre (RI-MUHC... Read More

Antibodies to dengue virus enhance infection by Zika virus

It has been speculated that the development of neurological disease and fetal abnormalities after Zika virus infection may be due to the presence of antibodies against other flaviruses that enhance disease. In support of this hypothesis, it has been shown that antibodies to dengue virus enhance... Read More

MMP #12: Hydrogen from ground rocks can furnish microbial ecosystems with energy to drive growth.

Host: Jeff Fox with special guest, Jon Telling.


Jon Telling of Bristol University in Bristol, United Kingdom talks with Jeff Fox about his findings suggesting that the grinding of glaciers over rocks can liberate hydrogen, which, in turn, drives the growth of methanogens within microb... Read More

How Vibrio cholerae is attracted by bile revealed

A group of researchers from Osaka University, Hosei University, and Nagoya University have revealed the molecular mechanism that Vibrio cholerae, the etiological agent of cholera, is attracted by bile. This group has also successfully detected the ligand binding to the bacteria chemoreceptor in ... Read More

Cellphone-sized device quickly detects the Ebola virus

The worst of the recent Ebola epidemic is over, but the threat of future outbreaks lingers. Monitoring the virus requires laboratories with trained personnel, which limits how rapidly tests can be done. Now scientists report in ACS' journal Analytical Chemistry a handheld instrument that detects... Read More

Stilton Cheese, Alexis de Toqueville, and turning ASM into the Tesla of Scientific Societies

“Stefano, you seem like a smart person. Can I ask you why you decided to take a job with a scientific society?” I had just helped myself to a slice of a very sharp Stilton cheese, after a wonderful dinner supported by wonderful wine. All of a sudden the Stilton seemed even sharper. The question ... Read More

A Microbial Ocean Feast: Who Ate What?

Single-celled organisms called bacterioplankton spend their lives drifting in open ocean, visible to the naked eye only en masse. But don't be fooled by their slight size: These minuscule critters play a hefty role in the carbon cycle. Heterotrophic microbes, by some estimates, process half of t... Read More

Zika virus in Brazilian non-human primates

Zika virus RNA has been detected in New World monkeys from the Northeast region of Brazil. This finding suggests that primates may serve as a reservoir host for the virus, as occurs in Africa. Read More

Threat of novel swine flu viruses in pigs and humans

The wide diversity of flu in pigs across multiple continents, mostly introduced from humans, highlights the significant potential of new swine flu strains emerging, according to a study to be published in eLife. Read More

Vaccinations are more effective when administered in the morning

New research from the University of Birmingham has shown that flu vaccinations are more effective when administered in the morning. Read More

Sophisticated 'mini-brains' add to evidence of Zika's toll on fetal cortex

Studying a new type of pinhead-size, lab-grown brain made with technology first suggested by three high school students, Johns Hopkins researchers have confirmed a key way in which Zika virus causes microcephaly and other damage in fetal brains: by infecting specialized stem cells that build its... Read More

HIV infection prematurely ages humans by an average of 5 years

Thanks to combination antiretroviral therapy, many people with HIV can be expected to live decades after being infected. Yet doctors have observed that these patients often show signs of premature aging. Now a study published April 21 in Molecular Cell has applied a highly accurate biomarker to ... Read More

BacterioFiles 249 - Spores Survive Spaceship Scorching

This episode: Bacterial spores can survive atmospheric entry on an artificial meteorite!


(10.7 MB, 11.25 minutes)


Show notes: 
J... Read More

TWiV 386: The dolphins did it

Hosts: Vincent RacanielloRich Condit, and  Read More

Diagnostic guidelines for bloodstream infections aim to shorten time to accurate therapy

One of the most dangerous places for an infection to occur is in the bloodstream. Septicemia, when microbes are present in the blood, not only allows bacteria access to other internal organs through the highway of our circulatory system, but also can cause a massive inflammatory response, leadin... Read More

Reducing infectious malaria parasites in donated blood could help prevent transmission

A technique for reducing the number of infectious malaria parasites in whole blood could significantly reduce the number of cases of transmission of malaria through blood transfusion, according to a collaboration between researchers in Cambridge, UK, and Kumasi, Ghana. Read More

NIH study finds factors that may influence influenza vaccine effectiveness

The long-held approach to predicting seasonal influenza vaccine effectiveness may need to be revisited, new research suggests. Currently, seasonal flu vaccines are designed to induce high levels of protective antibodies against hemagglutinin (HA), a protein found on the surface of the influenza ... Read More
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