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Is it Ebolavirus or Ebola virus?

When I drafted my article for TakePart (Don’t Panic – Ebola Isn’t Heading For You), I used the term ‘ebolavirus’ throughout, but the editors changed every instance to ‘Ebola virus’. Understanding which term is correct is far more complicated than you might imagine. Read More

TWiV 159: Flu gets the REDD light



Hosts: Vincent RacanielloAlan Dove Read More

The Three Faces of Thiomargarita

Merry Youle of Small Things Considered has authored a post that looks at Thiomargarita spp.

"Non-motile Thiomargarita was first discovered in 1999 off the Namibian coast, thus was named T. namibiensis. Its cells are large spheres, arranged in chains, each chain enclosed in a mucous sheath. Av... Read More

TWiV 156 Letters

Kevin writes:


Dear Professor Racaniello,


I have just seen some of the ridiculous comments regarding the picture which was posted on your TWiV website.


I have had CFS for over 16 years. I am a very firm believer in scientific method and... Read More

El podcast del microbio Nº241: Probioticos y salud (probiotics and health)



























El podcast del microbio Nº 241 summarize the article published in Science Translational Medicine about the impact of probiotics ... 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

TWiP 32: Evasive trypanosomes and schistosomes



Hosts: Vincent Racaniello and Dickson Despommier


Vincent and Dickson discuss immune evasio... 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

How good is the influenza vaccine?

I hear from many readers that they routinely get the flu vaccine every year, yet they often contract the disease. I usually tell them that the vaccine is not perfect: it doesn’t protect everyone who gets it. Now we have the numbers to back up this statement, and they are not pretty.
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

TWiM 36: Domesticating a pathogen



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

Mundo de los Microbios - Episodio 93



Felipe Guhl Nanneti es colombiano, nacido en Bogotá.  Estudió biología y microbiología en la Universidad de los Andes en Bogotá y tiene grados avanzados en parasitología tropical, de la misma universidad... 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

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

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