Now and then we produce a TWiV that is focused on explaining basic aspects of virology. We call this series ‘Virology 101’. All the posts in this series are listed on this page with links back to the original post. If you start from the top, soon you will have a good basic understanding of virology. Repeated listening often fosters better comprehension.

For those who prefer reading, there is Virology 101 and Influenza 101 at virology blog.

If you have any questions, send them to twiv@microbe.tv.

TWiV 39: Virus structure

TWiV 43: Virus classification

TWiV 46: Virus entry into cells

TWiV 49: Viral genomes

TWiV 60: Making viral RNA

TWiV 66: Reverse transcription

TWiV 96: Making viral DNA

TWiV 106: Making viral DNA II

TWiV 162: Transcription

TWiV 216: Processing VIRALGUUAACACCAGRNA

TWiV 238: Lost in translation

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28 comments on “Virology 101

  1. jeromedumortier Feb 13, 2010

    Bonjour,

    I just discover your website with great Podcast about my field: virology. Because I am back in France and are still looking for a new position in virology and immunology, I appreciate your report on news in virology. I worked at OHSU in Portland OR on Human CMV as Postdoc and learn so much about host and virus interaction.
    My suggestion would be to cut your Podcast in 40 minutes but edit it each week instead each 2 weeks.
    Soon I will work at university I will suggest TWiV to my French coworker and students.
    Thank you very much
    Dr. Jerome Dumortier, in Rouen France.

  2. ericmakesthree Feb 24, 2010

    If this podcast had been around when I was at school I would have become a virologist – what a fascinating intriguing science

  3. dr.foster May 17, 2010

    Great stuff _ I was tuned into this podcast by a colleague and it is really the best science podcast I've found to date. Even though I've done work with viruses all my (admittedly short) career, listening to this just shows me how much more I still have to learn!

  4. the link to twiv 96 actually points to 97

  5. SaL Aboushoushah Apr 11, 2012

    the app in itunes is not free it is 4.99

    • loglet Sep 30, 2013

      Well it’s certainly free now in UK. the one I use is Podcasts.

  6. Peter Balfe May 8, 2012

    Why not run a TWIV on eIF4G and eIF2-alpha? there’s a heap of fun to be had there and valuable concepts to be learnt

  7. Thank you Dr Racaniello I have used your class lectures (with Dr Silverstein) to prep for USMLE
    Be blessed man!
    dave

  8. Dave_priyank89 Aug 3, 2012

    great knowledge

  9. Carlos Acosta009 Dec 4, 2012

    I wish I could take your class professor Racaniello

  10. I wonder if Dr. Racaniello offers online courses?

  11. P Yk Chong Jan 23, 2013

    Great website with useful resources than what I have in my university. Looking forward to meet Dr. Racaniello in the future. =) I love virology.

  12. Rob Loch Raineach Aug 26, 2013

    Coursera brought me over. Virology 101 is perfect. Great Pod cast. I am hooked.

  13. Makia Aqeel Sep 20, 2015

    I wish I could be your Mphil or phD student anyhow..

  14. Rowa Assayaghi Jun 17, 2016

    Hello prof
    why there is no HCV vaccine?

  15. Abhinav Purohit May 31, 2019

    Hi,
    I just wanted some suggestions on which books to read as a fresher to virology.
    So any suggestions are welcome.

  16. Cbanka Mar 10, 2020

    Great information about covid 19, thanks for all of you time sharing you wealth of knowledge with us!!!

  17. Susan Mar 14, 2020

    Where did this Corona 19 virus come from

  18. Greetings TWIVers,

    This John Ioannidis blog post so far makes the most compelling case for not over-reacting to covid19 (link below). His basic thesis is that the 3.4 % WHO fatality rate is meaningless because it is based on very poor data.

    This line really stuck with me: “some so-called mild or common-cold-type coronaviruses that have been known for decades can have case fatality rates as high as 8% when they infect elderly people in nursing homes. In fact, such “mild” coronaviruses infect tens of millions of people every year, and account for 3% to 11% of those hospitalized in the U.S. with lower respiratory infections each winter.

    This makes me wonder how many viruses went through the human population in recent decades without even being noticed. Could we have gone through several covid19-like events without anyone noticing? Or are there people on the look out for novel viruses which makes this scenario impossible? I guess what I am asking is the following: could there be other explanations that have more to do with hysteria and hospital systems being overwhelmed to explain what happened in Wuhan, Iran, and Italy?

    Warmest wishes from a crisp & sunny 7 C Berlin, Germany

    Saud

    https://www.statnews.com/2020/03/17/a-fiasco-in-the-making-as-the-coronavirus-pandemic-takes-hold-we-are-making-decisions-without-reliable-data/

  19. Margaret Waltz Mar 19, 2020

    Dr. Racaniello,

    I really love the show, thank you so much from an immunologist turned stay at home Mom turned Office Manager with not enough science in her life!

    I have two comments about the current SARS2 outbreak to share.
    1. “Case number” as a way of understanding what’s going on seems barely meaningful given how differently everyone is testing. Maybe we would be better off using “deaths” since that is not subjective, and relate that to exposed population (isn’t everyone exposed a case given zero immunity?).

    2. Coronavirus is like a tiny burr with the spikes… no wonder it grabs on so well! We could call it Burrvirus.

    Thanks again, my heart skips a beat when I get a new TWIV in my podcast feed.

    Margot

  20. I can’t find a way to ‘subscribe’ to your podcasts. I’ve just discovered you and really appreciate what you have done AND what you are doing in this COVID-19 era. I want to keep connected to your work.
    Thanks so much.
    Mardi Crane-Godreau, PhD
    Geisel School of Medicine at Dartmouth
    & Bodymind Science, LLC

    • Charmaine Apr 22, 2020

      If you have iTunes you go here

      https://podcasts.apple.com/us/podcast/this-week-in-virology/id300973784

      and on the left side, under the TWIV icon press subscribe, and depending on your settings it will download all, or most recent.

      Or on the website on the home page, you can either play each episode or you could choose the email option in blue underneath the player. I can’t insert a screen shot. You should see most recent on top of page from here https://www.microbe.tv/twiv/

      If you had an older podcast app like Miro, you could subscribe with the RSS option

  21. R Niner Apr 3, 2020

    I used to take hydroxychloroquine. It is not a nice compound. It takes a month to build into your system when used for arthritis. There should be lots of people that can be surveyed to see if it stops Covid. Why hasn’t this been done? Every rheumatologist has patients

  22. Gail D Arnold, PhD Apr 18, 2020

    How does “GOF (gain-of-function) differ from mutation
    Or ‘genetic engineering’
    GOF is controversial/ethical
    Issue. Comment??thanks

  23. Julia Maresca Apr 22, 2020

    What guidance would you recommend for a patient who had covid-19 but is not exhibiting symptoms anymore.
    3 days after symptoms are gone and no fever for three days
    or 7 days
    or 14 days.
    Question: how long is COVID contagious?