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TWiV 172 Letters

Greg writes:


Dear TWiV,


The epidemiology episode with Michael Walsh was great. I loved the philosophical detour into counterfactual statements, time travel, and the meaning of causation. TWiV may indeed be viral, but from listening to it I fee... Read More

TWiV 166 Letters

Eric writes:


Hello Professors,


Thanks again for all the effort and care you invest into your podcasts. I'm writing today to suggest a pick of the week: The Nature of Things with David Suzuki. Suzuki, one of Canada's scientist/rock-stars, hosts... Read More

It's Raining Viruses

It’s true! Each year it rains viruses, more than a trillion of them per acre over thousands of forested acres in the USA. This is the work of the airborne arm of the USDA Forest Service, part of their efforts to reduce the devastation to hardwood forests caused by the imported gypsy moth, Lymant... Read More

Blogs by the American Society for Microbiology

Small Things Considered


The purpose of Small Things Considered is to share appreciation for the width and depth of the microbial activities on this pla... Read More

Influenza H5N1 is not lethal in ferrets after airborne transmission

Ron Fouchier has discussed his influenza H5N1 transmission experiments in ferrets at an ASM Biodefense Conference, clarifying several assumptions about the transmissibility of the virus in this animal model. Read More

Earth’s virology professor

Nearly four months ago I stood at the front of a crowded classroom at Columbia University and began teaching the third year of my undergraduate virology course. Twice a week we discussed the basic principles of virology, including how virions are built, how they replicate, and how they cause dis... Read More

Should we fear avian H5N1 influenza?

Why is there such widespread fear of avian H5N1 influenza virus?

Why did Paul Keim, chair of the National Science Advisory Board for Biosecurity (NSABB) say “I can’t think of another pathogenic organism that is as scary as this one”. What lead Donald McNeil, writing about H5N1 in the New Yor... Read More

Evidence for influenza H5N1 infections in humans

The fatality rate for human infections with avian influenza H5N1 is widely quoted at >50%, based on the number of deaths among the fewer than 600 cases confirmed by the World Health Organization. Wang, Parides, and Palese suggest that this number is an overestimate. Read More

TWiV 168 Letters

Mike writes:


Hello Men (and sometimes women) of TWiV!


I have read before that the human genome contains the genetic code of several thousand retroviruses. These retroviruses are in an inactive state, and are believed to be the product of infec... Read More

ASM Live - The Live Internet Talk Show

Participate in ASM Live at ASM 2014 in Boston where we will be live streaming video interviews of select presenters with host Stan Maloy, Chair of the ... Read More

TWiM 36: Domesticating a pathogen

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Hosts: Vincent Racaniello, Read More

Megavirus, the biggest known virus

The mantle of world’s biggest virus has passed from Mimivirus to Megavirus. But in this case, size doesn’t matter. It’s the genes that these viruses share and do not share that make this story important. Read More

My Microbes, Myself (Video)

Did you know that your body is home to 10 times more microbes than human cells? Learn about the human microbiome and its fascinating practical applications. Speakers include Dr. Lita Proctor, Human Microbiome Project at NIH, Dr. Liliana Losada, J Craig Venter Institute, Rockville, MD, Dr. Jac... Read More

TWiV 181: ORFan poxviruses and nIRFing prions



Hosts: Vincent Racaniello, Rich Condit, and Read More

TWiV 180: Throwing IFIT at flu and holding a miR to HCV



Hosts: Vincent Racaniello, Alan Dove, and  Read More

BacterioFiles Micro Edition 85 - Pathogen Partitions Parasitoid Populations

This episode: A virus influences the competition between two species of parasitoid wasp!





Read More

TWiM #23: Fighting antibiotics with toxic gas and starvation

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Hosts: Vincent Racaniello Read More

TWiV 174: Dog runs and mooing miRs



Hosts: Vincent RacanielloAlan Dove, and  Read More

TWiV 193: Live at ASV in Madison



Hosts: Vincent Racaniello, Rich Condit, Read More

TWiV 174 Letters

Mark writes:


Hi TWIVers,


I love your podcast! I am a postdoc in Joe DeRisi's lab at UCSF and I know that right now I am supposed to be aiming for a faculty job. But my real goal is to discover something cool enough to end up on TWIV.


A... Read More

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