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ASM Live at ICAAC Denver 2013

Be part of the studio audience for the American Society for Microbiology 2013 live internet talk show, ASM Live at ICAAC. Host Michael Schmidt, Ph.D., Professor and Vice Chairman of Microbiology and Immunology, Medical University of South Carolina, will discuss the latest science at the meeting with a variety of guest researchers and will take questions from the audience and the internet.

Tapings will take place in Room 102 in the Colorado Convention Center and meeting registrants are encouraged to attend. You can watch ASM Live at ICAAC below and topics will be archived immediately on YouTube and MicrobeWorld for future viewing.

(To ask a question please post it in the chat or tweet it using the hash tag #ICAAC. ASM Live at ICAAC is mobile friendly.)


Please note: The following schedule is subject to change. All times are listed as Mountain Daylight Time. All events take place in Room 102 at Colorado Convention Center in Denver. 

Tuesday, September 10, 2013

12:00 noon MDT – 2013 ICAAC Highlights - Watch Now
Members of the ICAAC Program Committee present highlights by day of the ICAAC meeting and discuss sessions of particular interest.

  • Craig E. Rubens, Seattle Children’s Hospital Research Institute, Seattle, WA
  • Robin Patel, Mayo Clinic College of Medicine, Rochester, MN


1:00 p.m. MDT – C. difficile Update - Watch Now 
Patients getting medical care can catch serious infections called healthcare-associated infections (HAIs). While most types of HAIs are declining, one – caused by the bacterium Clostridium difficile –continues to grow. C. difficile causes diarrhea linked to 14,000 American deaths each year. Participants will discuss epidemiological studies showing that the instance of C. difficile infections in U.S. hospitals has more than doubled in the last decade as well as new strategies for antibiotic treatment of this difficult to treat infection.

  • Kelly Daniels, The Univ. of Texas at Austin, Austin, TX
  • Alex Carignan, Université de Sherbrooke, Sherbrooke, QC, Canada
  • Philip Chung, Albert Einstein Coll. of Med., Bronx, NY

Wednesday, September 11, 2013

9:00 a.m. MDT – Human Interferon Kills Resistant H7N9 Influenza - Watch Now
During the April 2013 avian influenza A (H7N9) outbreak, more than 130 human infections with H7N9 were reported. Most patients had severe respiratory illness and 44 people have died. Studies suggest that the H7N9 virus has developed resistance to oseltamivir. A human interferon already in use for treatment of genital warts, alpha-n3, has been found to be active against the virus, even the oseltamivir-resistant isolate. Participants will discuss these findings and implications.


10:00 a.m. MDT – Shingles Vaccine Coverage Low in Elderly Americans - Watch Now
Almost 1 out of every 3 people in the United States will develop shingles during their lifetime. Despite the approval and recommendation by the FDA of a shingles vaccine for adults over 50, only 16% of American seniors over 60 are vaccinated.  Vaccinations are even lower for those aged 50-60.  A new study has revealed that only 4.3% of that population have been vaccinated. Dr. Johnson will discuss her study as well as efforts to increase vaccination coverage.

  • Melissa Johnson, Duke Univ. Med. Ctr., Durham, NC


11:00 a.m. MDT – The Role of the Microbiome in Infection Control - Watch Now
The disruption of the human microbiome through use of antimicrobials is a topic of growing interest among healthcare epidemiologists, not only because it is a major risk factor for C. difficile infection (CDI), but also because it could be a driving force behind the introduction and proliferation of multidrug-resistant organisms (MDROs) in healthcare settings. A greater understanding of the protective role of the microbiome could have major implications for the future direction of infection control. The speakers will review the current understanding of the role of microbiome disruption in the epidemiology of diseases such as CDI and MDRO colonization and transmission, and what the future may hold with regard to intervention.

  • Cliff McDonald, Centers for Disease Control and Prevention, Atlanta, GA
  • Alan Walker, Wellcome Trust Sanger Inst., Cambridge, United Kingdom


1:15 p.m. MDT – The Role of Vitamin D Supplements in Preventing and Treating Disease - Watch Now

There is much interest in the role of nutrients and micronutrients in the support of host defense against infections. However, there is controversy in the ability of supplements to help prevent or treat infections. Speakers will discuss research on the role of vitamin D supplements to prevent and/or treat recurrent ear infections in children and even the common cold.

3:00 p.m. MDT – ICAAC Live with Vincent Racaniello
Participate in a live streaming video episode of This Week in Microbiology (TWiM), a podcast about unseen life on Earth. Vincent Racaniello, a Higgins Professor in the Department of Microbiology and Immunology at Columbia University, and guests produce an informal yet informative conversation about microbes which is accessible to everyone, no matter what their science background. In Denver, Racaniello and co-host Michael Schmidt and guests will be discussing E. coli, one of the most commonly isolated organisms in the clinical microbiology laboratories, and rhinoviruses, agents of the common cold and lower respiratory tract disease.


Thursday, September 12


9:30 a.m. MDT – Pertussis on Rise in U.S. Elderly - Watch Now
Pertussis, a respiratory illness commonly known as whooping cough, is a very contagious disease caused by a type of bacteria called Bordetella pertussis. Since the early 1980s, there has been an overall trend of an increase in reported pertussis cases. Participants will discuss the results of a new study estimating that between 2006 and 2010, the incidence of cough illnesses attributed to B. pertussis has nearly doubled in Americans aged 50-64 and more than doubled in Americans over the age of 65. They will also discuss new data suggesting current pertussis vaccines are inadequate.

  • Cristina Masseria, GlaxoSmithKline Vaccines, King of Prussia, PA
  • Roger Baxter, Kaiser Permanente Vaccine Study Center, Oakland, CA


10:30 a.m. MDT – High Dose Therapy for Influenza Drug - Watch Now
Critically ill patients  with the pandemic H1N1 influenza who received triple the standard dose of the influenza drug oseltamivir were 7 times more likely to completely clear the virus from their system in 5 days than those who received the standard dose. This discussion will address the healthcare implications of these findings, including a rationale for high dose therapy of sensitive strains of influenza.


11:30 a.m. MDT - How MALDI-ToF is Changing Clinical Microbiology - Watch Now
Lasers are the new DNA.  It is called matrix-assisted laser desorption/ionization–time of flight (MALDI-TOF) and it uses mass spectrometry to quickly test for hundreds of different pathogens in a small sample using a single automated device.  MALDI-TOF is increasingly being used in clinical microbiology laboratories for rapid bacterial and fungal identification. Participants will discuss this new technology and how implementation can drastically change clinical care of some infections.

  • Stefan Zimmermann, Med. Microbiol. and Hygiene, Heidelberg, Germany
  • Nancy Wengenack, Mayo Clinic, Rochester, MN

3:00 p.m. MDT - This Week in Virology with Vincent Racaniello
Participate in a live streaming video episode of This Week in Virology (TWiV), a podcast about viruses. Started in September 2008 by Vincent Racaniello, a Higgins Professor in the Department of Microbiology and Immunology at Columbia University, the goal of the show is to have an accessible discussion about viruses that anyone can understand and enjoy. In Denver, Racaniello and his guest Robert Garcea, MD will be discussing the ubiquitous human polyomaviruses and their roles in human health and disease.



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