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This Week in Virology

This Week in Virology

De : Vincent Racaniello
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TWiV is a podcast about viruses - the kind that make you sick.Vincent Racaniello 2022 Nature et écologie Science
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    Épisodes
    • TWiV 1291: A foot in the door for cytomegalovirus
      Jan 25 2026

      TWiV explains emergence of a neurovirulent double recombinant from the 'improved' nOPV2 in Uganda, and efficiency of viral entry determined whether cells are latently or lytically infected with cytomegalovirus.

      Hosts: Vincent Racaniello, Alan Dove, Rich Condit, and Brianne Barker

      Subscribe (free): Apple Podcasts, RSS, email

      Become a patron of TWiV!

      Links for this episode
      • Support science education at MicrobeTV
      • ASV 2026
      • Positions in Rosenfeld Lab (email)
      • nOPV2 neurovirulent recombinant in Uganda (Nat Micro)
      • 2023 IMB report on polio eradication
      • Viral entry shapes HCMV latency establishment (Nat Comm)
      • Letters read on TWiV 1291
      • Timestamps by Jolene Ramsey. Thanks!
      Weekly Picks

      Brianne – Dark Matter by Blake Crouch
      Rich – Sequoiadendron giganteum; Sequoia & Kings Canyon National Park
      Alan – The Murderbot Diaries book series, by Martha Wells
      VincentSurely You're Joking, Mr. Feynman!

      Listener Picks

      Rocky – Cheetah mummies found in cave (Nature, National Geographic)

      Intro music is by Ronald Jenkees

      Send your virology questions and comments to twiv@microbe.tv

      Content in this podcast should not be construed as medical advice.

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      1 h et 58 min
    • TWiV 1290: Clinical update with Dr. Daniel Griffin
      Jan 24 2026
      In his weekly clinical update, Dr. Griffin and Vincent Racaniello discuss screwworm, how the shingles vaccination slows biological aging (for all of you who want to reset 'the clock' and live forever…..you know who you are Musk, Bezos) and getting one dose of the HPV vaccine, then Dr. Griffin then deep dives into recent statistics on RSV, influenza and SARS-CoV-2 infections, the Wasterwater Scan dashboard, Johns Hopkins measles tracker, how losing our elimination status is the cost of doing business (going for broke is never a good business model !) where to find PEMGARDA, how to access and pay for Paxlovid, long COVID treatment center, the effectiveness of this season's influenza vaccine, where to go for answers to your long COVID questions and contacting your federal government representative to stop the assault on science and biomedical research. Subscribe (free): Apple Podcasts, RSS, email Become a patron of TWiV! Links for this episode New World Screwworm: Outbreak Moves into Northern Mexico……with an official tag "This is an official CDC Health Advisory" (CDC: Health Alert Network)Association between shingles vaccination andslower biological aging: Evidence from a U.S. population-based cohort study (The Journals of Gerontology series A)Noninferiority of One HPV Vaccine Dose to Two Doses (NEJM) Herd effect of human papillomavirus vaccination on incidence of high-grade cervical lesions: (LANCET: Public Health)Confirmations of Highly Pathogenic Avian Influenza in Commercial and Backyard Flocks (USDA: Animal and Plant Health Inspection Service)Detections of Highly Pathogenic Avian Influenza in Wild Birds (USDA: Animal and Plant Health Inspection Service)Delaware, Georgia see major commercial avian flu outbreaks (CIDRAP) Wastewater for measles (WasterWater Scan)Notes from the Field: Wastewater Surveillance for Measles Virus During a Measles Outbreak — Colorado, August 2025 (CDC: MMWR)Notes from the Field: Retrospective Analysis of Wild-Type Measles Virus in Wastewater During a Measles Outbreak — Oregon, March 24–September 22, 2024 (CDC: MMWR)Measles cases and outbreaks (CDC Rubeola)Measles vaccine recommendations from NYP (jpg)Tracking Measles Cases in the U.S. (Johns Hopkins)Utah measles total rises to 216; CDC deputy director says losing elimination status'cost of doing business' (CIDRAP)Weekly measles and rubella monitoring (Government of Canada)Measles (WHO)Get the FACTS about measles (NY State Department of Health) Measles (CDC Measles (Rubeola))Measles vaccine (CDC Measles (Rubeola)) Presumptive evidence of measles immunity (CDC) Contraindications and precautions to measles vaccination (CDC)Adverse events associated with childhood vaccines: evidence bearing on causality (NLM)Measles Vaccination: Know the Facts (ISDA: Infectious Diseases Society of America)Deaths following vaccination: what does the evidence show (Vaccine)Assessing MMR vaccination coverage gaps in US children with digital participatory surveillance (Nature Health)Influenza: Waste water scan for 11 pathogens (WastewaterSCan)US respiratory virus activity (CDC Respiratory Illnesses)Respiratory virus activity levels (CDC Respiratory Illnesses)Weekly surveillance report: clift notes (CDC FluView)Effectiveness of influenza vaccination to prevent severe disease: a systematic review and meta-analysis of test-negative design studies (CMI: Clinical Microbiology and Infection) Interim vaccine effectiveness against influenza virus among outpatients, France, October 2025 to January 2026 (Eurosurveillance)Moderate protection from vaccination against influenza A(H3N2) subclade K in Beijing, China, September to December 2025 (Eurosurviellance)Current flu vaccine provides moderate protection against severe disease, interim analyses suggest (CIDRAP) OPTION 2: XOFLUZA $50 Cash Pay Option (xofluza)RSV: Waste water scan for 11 pathogens (WastewaterSCan) Respiratory Diseases (Yale School of Public Health)USrespiratory virus activity (CDC Respiratory Illnesses)RSV-Network (CDC Respiratory Syncytial virus Infection)Vaccines for Adults (CDC: Respiratory Syncytial Virusnfection (RSV)) Economic Analysis of Protein Subunit and mRNA RSV Vaccination in Adults aged 50-59 Years (CDC: ACIP)Waste water scan for 11 pathogens (WastewaterSCan)COVID-19 deaths (CDC)Respiratory Illnesses Data Channel (CDC: Respiratory Illnesses)COVID-19 national and regional trends (CDC)COVID-19 variant tracker (CDC)SARS-CoV-2 genomes galore (Nextstrain)Where to get pemgarda (Pemgarda) EUAfor the pre-exposure prophylaxis of COVID-19 (INVIYD)Infusion center (Prime Fusions) CDC Quarantine guidelines (CDC)NIH COVID-19 treatment guidelines (NIH)Drug interaction checker (University of Liverpool)Help your eligible patients access PAXLOVID with the PAXCESS Patient Support Program (Pfizer Pro)UnderstandingCoverageOptions (PAXCESS) Infectious Disease Society guidelines for treatment and management ...
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      57 min
    • TWiV 1289: Building a better hepatitis B trap
      Jan 18 2026

      TWiV explains how the dengue virus protein NS1 alters Aedes aegypti midgut permeability and favors virus dissemination, and achieving a complete hepatitis B virus cure in chronic hepatitis B virus-infected humanized mice by using a capsid assembly modulator.

      Hosts: Vincent Racaniello, Alan Dove, and Angela Mingarelli

      Subscribe (free): Apple Podcasts, RSS, email

      Become a patron of TWiV!

      Links for this episode
      • Support science education at MicrobeTV
      • ASV 2026
      • Positions in Rosenfeld Lab (email)
      • Dengue virus NS1 alters mosquito midgut permeability (mBio)
      • HBV cure with a capsid assembly modulator (Cell Host Microbe)
      • Letters read on TWiV 1289
      • Timestamps by Jolene Ramsey. Thanks!
      Weekly Picks

      Angela – How hibernating bears maintain muscle mass
      Alan – The flood of Chinese grad students in the 2000s was a boon to US students.
      Vincent – Feynman Lectures on Physics

      Listener Picks

      David – Stewart Cheifet, Host of TV's 'Computer Chronicles,' Dies at 87
      Charles – Last Year, and the Year to Come

      Intro music is by Ronald Jenkees

      Send your virology questions and comments to twiv@microbe.tv

      Content in this podcast should not be construed as medical advice.

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      1 h et 42 min
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