This Week in Virology

Vincent Racaniello
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Feb 4, 2024 • 1h 49min

TWiV 1085: When macrophages go to alimentary school

TWiV reviews measles outbreaks in England and Europe, 2 fatal Nipah virus cases in Bangladesh, yellow fever outbreak in Sudan, and discuss how the type of immunodeficiency influences the outcome of SARS-CoV-2 infection, and programming of alveolar macrophages by intestinal bacteria that influences severity of respiratory viral infection. Hosts: Vincent Racaniello, Dickson Despommier, and Rich Condit Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode MicrobeTV Discord Server MicrobeTV store at Cafepress Become a member of ASV (asv.org) Research assistant position in Rosenfeld Lab CBER/FDA (pdf) The New City by Dickson Despommier Viruses of Microbes 2024 Pig virus imperils food security in Borneo (Science) Measles outbreaks in UK and Europe (Nature) Fatal Nipah virus infections in Bangladesh (CIDRAP) Yellow fever outbreak in Sudan (Crisis24) COVID-19 influenced by type of immunodeficiency (Sci Transl Med) Intestinal microbiota programming of alveolar macrophages (Cell Host Microbe) Letters read on TWiV 1085 Timestamps by Jolene. Thanks! Weekly Picks Dickson – JWST details of 19 spiral galactic centers Rich – Great White Shark Attack And Breach Vincent – Black History Month and Lost Photographs of Black America Listener Picks Louise – The Mystery Of The Village That Beat The Black Death Pierre – Three things airlines don't want you to know Brandon – Professor Dave explains Intro music is by Ronald Jenkees Send your virology questions and comments to twiv@microbe.tv
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Feb 3, 2024 • 44min

TWiV 1084: Clinical update with Dr. Daniel Griffin

In his weekly clinical update, Dr. Griffin discusses the how the pandemic influenced the healthcare job market before he reviews most recent statistics on the circulation of respiratory syncytial virus, influenza virus and SARS-CoV-2 virus, including all circulating variants in the US, discusses the safety of the prefusion RSV vaccine, if high or moderate dose of the quadrivalent influenza vaccine is better for protection against hospitalization, summarizes the new WHO COVID guidelines, revisits how to prevent pathogen transmission in healthcare setting, the under use of COVID oral antiviral and what occurs in persistently SARS-CoV-2 infected cells in culture after antiviral treatment, continues to dispel the myth of viral rebound, how to pay for paxlovid, when to use steroids and the benefits of convalescent plasma, how inflammatory markers change correlate with death when in ICU and if cognitive slowing is part of long COVID-19. Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Do you want a job in healthcare? (JAMA) Respiratory disease surveillance (CDC) RSV surveillance (CDC) RSV national trend (CDC) Efficacy and safety of RSV vaccine after 2 seasons (CID) High vs moderate dose of quadrivalent influenza vaccine (CMI) Influenza/flu surveillance (CDC) Influenza/flu map (CDC) COVID-19 hospital admissions (CDC) COVID-19 national trend (CDC) COVID-19 wastewater testing (biobot) Variant tracker (CDC) Variant hospital admissions (CDC) WHO COVID guidance (WHO) Thoughts on COVID guidance (CIDRAP) Update on how to prevent pathogen transmission in healthcare settings (CDC) Underuse of antiviral drugs against COVID-19 (MMWR) Revisiting tissue culture cells persistently infected following antiviral therapy (bioRxiv) To rebound or to not rebound (MMWR) Know your COVID-19 tools (ESMED) How to pay for Paxlovid (PAXCESS) Molnupiravir safety and efficacy (JMV) Convalescent plasma recommendation for immunocompromised (IDSociety) Steroids,dexamethasone at the right time (OFID) Anticoagulation guidelines (hematology.org) Changes in inflammatory markers and death correlation when in ICU (Cytokine) Long COVID & cognitive slowing? (eClinicalMedicine) Contribute to our ASTMH fundraiser at PWB Letters read on TWiV 1084 Dr. Griffin's COVID treatment summary (pdf) Timestamps by Jolene. Thanks! Intro music is by Ronald Jenkees Send your questions for Dr. Griffin to daniel@microbe.tv
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Jan 28, 2024 • 1h 40min

TWiV 1083: AI builds better viruses

TWiV reviews global measles outbreaks, toilet-generated aerosols that spread viruses, highly effective prevention of invasive cervical cancer by HPV vaccination, and design of improved adenovirus-associated viral vectors using machine learning. Hosts: Vincent Racaniello, Dickson Despommier, Alan Dove, and Rich Condit Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode MicrobeTV Discord Server MicrobeTV store at Cafepress Become a member of ASV (asv.org) Research assistant position in Rosenfeld Lab CBER/FDA (pdf) The New City by Dickson Despommier Jay Nelson obituary Measles outbreak in Europe and Central Asia (UNICEF) Closing the toilet lid doesn't reduce virus aerosols (Am J Inf Control) NASA's ingenuity helicopter mission ends (NASA) HPV vaccine prevents invasive cervical cancer (J NCI) Designing AAV vectors with machine learning (Sci Adv) Letters read on TWiV 1083 Timestamps by Jolene. Thanks! Weekly Picks Dickson – Asian girl building a life building a fence to protect a bamboo house Rich – Gator Country: Deception, Danger, and Alligators in the Everglades by Rebecca Renner Alan – Strange Bedfellows, by Ina Park Vincent – Star and Sphere kit – try the main page too Intro music is by Ronald Jenkees Send your virology questions and comments to twiv@microbe.tv
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Jan 27, 2024 • 54min

TWiV 1082: Clinical update with Dr. Daniel Griffin

In his weekly clinical update, Dr. Griffin reviews most recent statistics on the circulation of respiratory syncytial virus, influenza virus and SARS-CoV-2 virus, including all circulating variants in the US, before discussing viral transmission to adults in healthcare setting, the recently EUA approved protein based COBREVAX vaccine, reviews quarantine guidelines, the use of simnotrelivr for mild to moderate COVID-19, how viral RNA may persist in your cell culture dish following antiviral therapy, continues to dispel the myth of viral rebound, how to pay for Paxlovid, , when to use steroids and the benefits of convalescent plasma, how Paxlovid may prevent long COVID and how complement dysfunction may lead to thromboinflammation during long COVID. Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Articles and graphs cited in TWIV CU 1080 Respiratory disease surveillance (CDC) RSV surveillance (CDC) RSV national trend (CDC) Influenza/flu surveillance (CDC) Influenza/flu map (CDC) COVID-19 hospital admissions (CDC) COVID-19 national trend (CDC) COVID-19 wastewater testing (biobot) Variant tracker (CDC) Variant hospital admissions (CDC) Transmission in healthcare setting (CID) COBREVAX EUA (Texas Children's Hospital) Quarantine/isolation guidelines (CDC) Simnotrelvir for mild to moderate disease in adults (NEJM) Are your tissue culture cells persistently infected following antiviral therapy (bioRxiv) Structural biology of antivirals for SARS-CoV-2 (Signal Tranduction and Targeted Therapy) To rebound or to not rebound (MMWR) Know your COVID-19 tools (ESMED) How to pay for Paxlovid (PAXCESS) Remdesivir for immunocompromised during variant waves (CID) Molnupiravir safety and efficacy (JMV) Convalescent plasma recommendation for immunocompromised (IDSociety) Steroids,dexamethasone at the right time (OFID) Anticoagulation guidelines (hematology.org) Patients, experts, Congress…..long COVID oh my! (CIDRAP) Does paxlovid prevent long COVID? (CIDRAP) Persistent complement with thromboinflammation in long COVID (Science) Contribute to our MicrobeTV fundraiser at PWB Letters read on TWiV 1082 Dr. Griffin's COVID treatment summary (pdf) Timestamps by Jolene. Thanks! Intro music is by Ronald Jenkees Send your questions for Dr. Griffin to daniel@microbe.tv
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Jan 21, 2024 • 2h 6min

TWiV 1081: I opened the pig sty and in flew enza

TWiV reviews the latest virology news, how infection with a plant virus causes insect to grow long wings, and reverse zoonoses of 2009 H1N1 pandemic influenza viruses in US swine. Hosts: Vincent Racaniello, Dickson Despommier, Rich Condit, Brianne Barker, and Angela Mingarelli Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode MicrobeTV Discord Server MicrobeTV store at Cafepress Become a member of ASV (asv.org) Research assistant position in Rosenfeld Lab CBER/FDA (pdf) The New City by Dickson Despommier Midwife gave children pellets instead of vaccines (NY Times) Vaccine derived poliovirus circulation in Indonesia (WHO) 9th case of measles in Philadelphia (City of Philadelphia) Measles exposure warning northern Virginia (Virginia DOH) China lab sequenced SARS-CoV-2 genome 2 weeks before release (WSJ) Wisconsin bill to restrict gain of function experiments (Science) Virus infection of insects causes long wings (PNAS) Reverse zoonoses of influenza H1N1 virus in swine (PLoS Path) Timestamps by Jolene. Thanks! Weekly Picks Dickson – Concerto for Horn and Hardart, P. Schickele Angela – ChatGPT4 Brianne – How mRNA Vaccine Works, Why We Need Two Doses of mRNA Vaccine Rich – Evolutionary basis for the human diet: consequences for human health by P. Andrews, R.J. Johnson Vincent – Virology Lectures 2024 Listener Picks Geoff and Anonymous – Dickson Despommier wants our cities to be like forests Intro music is by Ronald Jenkees Send your virology questions and comments to twiv@microbe.tv
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Jan 20, 2024 • 34min

TWiV 1080: Clinical update with Dr. Daniel Griffin

In his weekly clinical update, Dr. Griffin reviews most recent statistics on the circulation of respiratory syncytial virus, influenza virus and SARS-CoV-2 virus in the US before discussing vaccine effectiveness in children and adolescents, how the pandemic impacted the socioemotional development of infants and toddlers, continues to dispel the myth of viral rebound, how to pay for Paxlovid, reviews quarantine guidelines, when to use steroids and the benefits of convalescent plasma, examines the role of immune aberrations in long COVID and how vaccination may protect against developing long COVID. Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Respiratory disease surveillance (CDC) RSV surveillance (CDC) RSV national trend (CDC) Influenza/flu surveillance (CDC) Influenza/flu map (CDC) COVID-19 hospital admissions (CDC) COVID-19 national trend(CDC) COVID-19 wastewater testing (biobot) Variant tracker (CDC) Remember when COVID was bad? (Wired) Children and adolescents hospitalized with SARI (Pediatrics) COVID-19 vaccines are effective for adolescents (Pediatrics) Vaccine effectiveness against long COVID in children (Pediatrics) Infant and toddler socioemotional development in the pandemic (JAMA) Quarantine/isolation guidelines (CDC) Should I take Paxlovid? (NY Times) What is this about Paxlovid rebound? (CDC) Rebound is NOT the early inflammatory phase (ESMED) How to pay for Paxlovid (PAXCESS) Molnupiravir safety and efficacy (JMV) Convalescent plasma recommendation for immunocompromised (IDSociety) Steroids,dexamethasone at the right time (OFID) Anticoagulation guidelines (hematology.org) T cell dysregulation inflammation and uncoordinated adaptive immune response, Long COVID oh my (Nat Imm) Vaccine effectiveness against long COVID (CIDRAP) Prevention of long COVID by vaccines (Antimicrobial-stewardship and healthcare) Sex and gender relationship with long COVID (Eurosurveillance) Are all vaccines equal in preventing Long COVID? (Lancet) Vaccine naïve individuals, Long COVID and vaccination (medRxiv) Contribute to our MicrobeTV fundraiser at PWB Letters read on TWiV 1080 Dr. Griffin's COVID treatment summary (pdf) Timestamps by Jolene. Thanks! Intro music is by Ronald Jenkees Send your questions for Dr. Griffin to daniel@microbe.tv
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Jan 13, 2024 • 1h 11min

TWiV 1078: Clinical update with Dr. Daniel Griffin

In his weekly clinical update, Dr. Griffin reviews recent measles outbreaks, prequalification of nOPV2 by the WHO and most recent statistics on the circulation of respiratory syncytial virus, influenza virus and SARS-CoV-2 virus in the US before discussing COVID-19 deaths linked to SNPs in C-reactive protein, spread of recent viral variants, how early vaccination reduced hospitalization of those infected with XBB.1.5, reviewed quarantine guidelines, how oral antivirals reduce hospitalizations, dissociation of antiviral treatment from infection rebound, and long COVID, deaths due to administration of hydroxychloroquine, muscle abnormalities and extreme fatigue in individuals with long COVID-19 and how the economics of where you live make long COVID-19 more severe. Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode A national measles campaign (CDC) A nation of measles (CDC) The measles unvaccinated in NY (CNN) Philadelphia's measles story (Phila gov) January's measles outbreak (CNN) Prequalify of nOPV2 by WHO (GPEI) Did you prequalify for the novel poliovirus vaccine (CIDRAP) Respiratory disease surveillance (CDC) RSV surveillance (CDC) RSV national trend(CDC) Influenza/flu surveillance (CDC) Influenza/flu map (CDC) COVID-19 hospital admissions (CDC) COVID-19 national trend (CDC) COVID-19 wastewater testing (biobot) Death rate and C-reactive protein SNPs and COVID-19 (Scientific Reports) Variant tracker (CDC) Tracking variant hospitalizations (CDC) Early vaccination against XBB.1.5 hospitalization (Eurosurveillance) Vaccination dashboard (Netherlands) Quarantine/isolation guidelines (CDC) Antiviral gap among the non-hospitalized high risk adults (CID) Oral antivirals prevent hospitalization (medRxiv) Rebound with and without oral antivirals (MMWR) Randomized rebound trials (MMWR) Know your COVID-19 tools (ESMED) The PASC-paxlovid relationship (JAMA) Molnupiravir safety and efficacy (JMV) Convalescent plasma remmendation for immunocompromised (IDSociety) Fluvoxamine for COVID-19 outpatient (RMV) Death by hydroxychloroquine (Biomedicine & Pharmacotherapy) Steroids, dexamethasone at the right time (OFID) Anticoagulation guidelines (hematology.org) Doxycycline for prevention of progression of COVID-19 (PLoS One) Muscle abnormalities in long COVID (Nat Comm) Discovery of persistent fatigue in long COVID-19 (Amsterdam Univ Med Crr) IMPACC study post-acute sequelae results (Nat Comm) Double course of long COVID in low income countries (Nat) Contribute to our MicrobeTV fundraiser at PWB Letters read on TWiV 1078 Dr. Griffin's COVID treatment summary (pdf) Timestamps by Jolene. Thanks! Intro music is by Ronald Jenkees Send your questions for Dr. Griffin to daniel@microbe.tv
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Jan 13, 2024 • 1h 46min

TWiV 1079: Rock of phages

TWiV reveals how viruses participate in the organomineralization of travertines, and how neutralizing antibodies evolve to exploit vulnerable sites in the hepatitis C virus envelope glycoprotein E2 and mediate clearance of infection. Hosts: Vincent Racaniello, Dickson Despommier, Alan Dove, Rich Condit, Kathy Spindler, and Brianne Barker Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode MicrobeTV Discord Server MicrobeTV store at Cafepress Become a member of ASV (asv.org) Research assistant position in Rosenfeld Lab CBER/FDA (pdf) The New City by Dickson Despommier Global dengue cases rise markedly (WHO) Measles outbreak in Philadelphia (Phil Health Dept) Viruses and organomineralization of travertine (Sci Rep) Neutralizing antibodies and clearance of HCV infection (Immunity) Letters read on TWiV 1079 Timestamps by Jolene. Thanks! Weekly Picks Dickson – Global climate highlights 2023 and 7 new songs you should hear Brianne – Stuff you should know episodes: METI and SETI Kathy – Oppenheimer "Science, Mission, Legacy" documentaries from Los Alamos Lab One Two Three and Los Alamos National Laboratory Summer 2023 National Security Science: The Oppenheimer Issue Rich – The Wager: A Tale of Shipwreck, Mutiny and Murder by David Grann Alan – Less is Morse, an educational game Vincent – Citing Misinformation, Florida Health Official Calls for Halt to Covid Vaccines Listener Picks Sonrisa – Microorganisms in Perspective Anonymous – Wow! Human Cells Vibrate With Resonant Frequency and It's Technically Audible Intro music is by Ronald Jenkees Send your virology questions and comments to twiv@microbe.tv
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Jan 7, 2024 • 1h 46min

TWiV 1077: EtOH and viruses at McGill

Vincent travels to McGill University in Montreal, Canada to join Angela for a discussion of the careers and the research of two faculty members, Corinne Maurice and Jesse Shapiro, and their PhD trainees Anshul Sinha and Sana Naderi. Hosts: Vincent Racaniello and Angela Mingarelli Guests: Corinne Maurice, Jesse Shapiro, Anshul Sinha and Sana Naderi Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode MicrobeTV Discord Server MicrobeTV store at Cafepress Become a member of ASV (asv.org) Research assistant position in Rosenfeld Lab CBER/FDA (pdf) The New City by Dickson Despommier Phage and colitis (Microbiome) Origins and evolution of Lassa virus (Cell) Phage replication in human gut microbiota (iScience) Phages in infant gut (ISME J) Early SARS-CoV-2 transmissions in Quebec (Genome Med) Timestamps by Jolene. Thanks! Intro music is by Ronald Jenkees Send your virology questions and comments to twiv@microbe.tv
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Jan 6, 2024 • 28min

TWiV 1076: Clinical update with Dr. Daniel Griffin

In his weekly clinical update, Dr. Griffin highlights global circulation of Mpox virus, reviews the most recent statistics on the circulation of respiratory syncytial virus, influenza virus and SARS-CoV-2 virus in the US, and discusses the clinical outcome of hospitalized children under 5 years infected with SARS-CoV-2, the perinatal and neonatal outcomes including adverse effects of SARS-CoV-2 infection and virus transmission in Italy between early 2020 and 2022, the guidelines to improve home ventilation, the safety and efficacy of the oral anti-viral molnupiravir and the use of convalescent plasma as a long term treatment as well as treatment specifically for the immune compromised, the ineffectiveness of antibiotics for treating COVID-19, the association of olfactory dysfunction and the administration of corticosteroids and the safety of the RSV vaccines licensed last year. Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Articles and graphs cited in TWIV CU 1076 Global mpox circulation (WHO) Mpox in the Americas and Europe (CIDRAP) Respiratory disease surveillance (CDC) RSV surveillance (CDC) RSV national trend (CDC) Influenza/flu surveillance (CDC) Influenza/flu map (CDC) COVID-19 hospital admissions (CDC) COVID-19 national trend (CDC) COVID-19 wastewater testing (biobot) Vaccine-Eligible Children Under-5 Years (PIDJ) Pre-school cohort vaccination rate (CIDRAP) Perinatal transmission and neonatal outcomes (IJID) Adverse maternal and neonatal effect (dgalerts) Ventilation home improvements (CDC) Quarantine/isolation guidelines (CDC) Molnupiravir safety and efficacy (JMV) Convalescent plasma remmendation for immunocompromised (IDSociety) Corticosteroids in SARS-CoV-2 Anticoagulation guidelines (hematology.org) Corticosteroids induced olfactory dysfunction (PLoS One) Convalescent Plasma Therapy: Long Term Implications (OFID) Preventing RSV infection by vaccination (MMWR) Antivirals and chronic kidney disease (CID) Early administraton of molnupiravir versus ritonavir-boosted nirmatrelvir (Lancet Infectious Diseases) Contribute to our MicrobeTV fundraiser at PWB Letters read on TWiV 1076 Dr. Griffin's COVID treatment summary (pdf) Timestamps by Jolene. Thanks! Intro music is by Ronald Jenkees Send your questions for Dr. Griffin to daniel@microbe.tv

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