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BAC Down! Give bacteria the cold shoulder.

BAC Down! Give bacteria the cold shoulder. Keep your refrigerator at 40° F or below. Use a thermometer to monitor. The bacterium Listeria monocyotogenes can grow at refrigerator temperatures.

Pregnant women, young children and people with weakened immune systems are at greater risk of... Read More

The Excitement of Clinical Microbiology

Clinical microbiologists uncover new and important pathogens, perform the role of sentinels to alert of possible upcoming epidemics, provide statistical and clinical information regarding the pathogens currently on the scene, and spur demands on research to create novel diagnostic tools. In fact... Read More

TWiP 87 letters


Jan writes:

Hello doctors,

This was indeed not easy to Google; one of my attempts even had a dr oz page as one of search results. Clearly a dead end. However with some persistence I came up with Entamoeba Histolytica.
As for clean water; I ... Read More

TWiP 80 letters

Jessica writes:

Hello Dr Racaniello and Despommier,

I recently saw an article about the paper linked below on Science Daily and thought it might be worth a discussion on TWIP. It is about the possibility of bed bugs being a vector for T. cruzi. I would love to... Read More

TWiV 332: Vanderbilt virology

Host: Vincent Racaniello

Guests: Seth BordensteinJames Crowe... Read More

TWiM 100 Letters

Matt Daugherty writes:

I just listened to the latest TWiM. Thanks for covering our horizontal gene transfer paper! It was great to hear you all talk about it and give your thoughts.

With regards to the selective pressure for retention of the Dae’s in genomes o... Read More

TWiP 89 letters

Robin writes:

Cerebral cysticercosis


Left shift:
This is from the days when dinosaurs roamed the earth:
Manual counters for the differential count had the buttons left to right for neutrophils, bands, eosinophil... Read More

1977 H1N1 influenza virus is not relevant to the gain of function debate

The individuals who believe that certain types of gain-of-function experiments should not be done because they are too dangerous (including Lipsitch, Osterholm, Wain-Hobson,) cite the 1977 influenza virus H1N1 strain as an example of a laboratory accident that has led to a global epidemic. A new... Read More

Behind the scenes: TWiV 202 at the University of Nebraska

We recorded This Week in Virology #202 at the University of Nebraska in Lincoln, Nebraska on 5 October 2012, as part of the 12th Annual Symposium in Virology. Terence Dermody, Shou-Wei Ding, Grant McFadden and I spoke about our research, and then we recorded TWiV with University of Nebraska viro... Read More

MMP #9: Customizing phage by swapping tail genes to target specific pathogens

Host: Jeff Fox with special guest, Timothy Lu.

Lu, an Associate Professor of Biological Engineering and Electrical Engineering and Computer Science at Massachusetts Institute of Technology in Cambridge, Massachuse... Read More

TWiM 86 Letters


Suzanne writes (re Aphids):

The best way to get rid of aphids in the garden (the ants in my yard love to herd them onto my okra) is a sharp stream of water from the hose. Aphids wash right off! They don't tend to come back right away, either.

Read More

TWiV 321: aTRIP and a pause

Paul Duprex joins the TWiV team to discuss the current moratorium on viral research to alter transmission, range and resistance, infectivity and immunity, and pathogenesis.

Hosts: Vincent Racaniel... Read More

TWiV 392: Zika virus!

Four virologists discuss our current understanding of Zika virus biology, pathogenesis, transmission, and prevention, in this special live episode recorded at the American Society for Microbiology in Washington, DC.

Host:  Read More

TWiV 243: Live from ASV at Penn State

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Hosts: Vincent Racaniello, Rich Condit, and Read More

An Ebolavirus vaccine in Africa

An Ebolavirus vaccine has shown promising results in a clinical trial in Guinea. This vaccine has been in development since 2004 and was made possible by advances in basic virology of the past 40 years. Read More


An interesting presentation given by Yuri Gorby, an electromicrobiologist at the J. Craig Venter Institute in San Diego, at CalIT2 at UCSD on electronmicrobiology. Here's part of the description from SciVee.tv:

Respiratory microorganisms capture energy for growth and maintenance as they trans... Read More

April 2011 Microbe feature article--Marine Microorganisms, Biogeochemical Cycles, and Global Climate Change

The April 2011 issue of Microbe is now online and includes the feature article

Marine Microorganisms, Biogeochemical Cycles, and Global Climate Change
by Jonathan P. Zehr, Julie Robidart, and Chris Scholin
Global environmental change demands a deeper understanding of how marine micro... Read More

TWiV 341: Ebolavirus experiences

Host: Vincent Racaniello

Guests: Adam Kucharski Read More

TWiV 282: Tamiflu and tenure too

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Hosts:  Read More

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