Scott returns to TWiV to explain the development of an experimental mRNA vaccine that encodes hemagglutinin antigens against all known influenza A virus subtypes and influenza B virus lineages, and why he is worried about avian H5N1 influenza virus. Hosts: Vincent Racaniello , Dickson Despommier , and Brianne Barker Guest: Scott Hensley Subscribe (free): Apple Podcasts , Google Podcasts , RSS , email Become a patron of TWiV! Links for this episode •Research assistant position at FDA ( pdf ) •Reg...
Feb 12, 2023•1 hr 49 min•Ep. 983
In his weekly clinical update Dr. Griffin discusses the consistency of COVID-19 trial preprints with published reports and impact for decision making, the negative effect of preexisting immunity on Influenza vaccine responses transcends the impact of vaccine formulation type and vaccination history, highly pathogenic avian influenza A(H5N1) virus infection in farmed minks in Spain, Peru confirms H5N1 avian flu in marine mammals, prior vaccination enhances immune responses during SARS-CoV-2 break...
Feb 11, 2023•49 min•Ep. 982
TWiV explains the recent meeting of the National Science Advisory Board for Biosecurity (NSABB) where stricter guidelines for research involving human, animal, and plant pathogens were considered, and how the consumption of viruses by small protists returns energy to food chains. Hosts: Vincent Racaniello , Dickson Despommier , Alan Dove , Rich Condit , and Kathy Spindler Subscribe (free): Apple Podcasts , Google Podcasts , RSS , email Become a patron of TWiV! Links for this episode •Research as...
Feb 05, 2023•2 hr 4 min•Ep. 981
In his weekly clinical update Dr. Griffin discusses prevalence and clinical outcomes of respiratory syncytial virus versus influenza virus in adults hospitalized with acute respiratory Illness, reconsideration of antinucleocapsid IgG antibody as a marker of SARS-CoV-2 infection postvaccination for mild COVID-19 patients, assessment of COVID-19 as the underlying cause of death among children and young people aged 0 to 19 years in the US, information for persons who are immunocompromised regarding...
Feb 04, 2023•40 min•Ep. 980
Paul Offit returns to TWiV to unpack the recent FDA Advisory Panel on COVID vaccines, with discussions on giving everyone the same bivalent vaccine, simplifying the immunization schedule, and how to know when the vaccine should be updated. Hosts: Vincent Racaniello and Rich Condit Guest: Paul Offit Subscribe (free): Apple Podcasts , Google Podcasts , RSS , email Become a patron of TWiV! Links for this episode FDA briefing document ( pdf ) Effectiveness of bivalent booster against severe infectio...
Feb 03, 2023•39 min
TWiV gives an update on poliovirus in wastewater, and reveals a vast world of viroids that infect a wide range of host species in diverse ecosystems. Hosts: Vincent Racaniello , Alan Dove , Rich Condit , and Kathy Spindler Subscribe (free): Apple Podcasts , Google Podcasts , RSS , email Become a patron of TWiV! Links for this episode •Research assistant position at FDA ( pdf ) •Register for ASV 2023 • MicrobeTV Discord Server • Nick Muzyczka passes •CDC planning wastewater testing for polio (CDC...
Jan 29, 2023•1 hr 48 min•Ep. 979
In his weekly clinical update Dr. Griffin discusses co-detections of other respiratory viruses among children hospitalized with COVID-19, preprint review should form part of PhD programs and postdoc training, early and increased Influenza activity among children, COVID-19 vaccines versus pediatric hospitalization, SARS-CoV-2 variant-related abnormalities detected by prenatal MRI, protective effectiveness of previous SARS-CoV-2 infection and hybrid immunity against the Omicron variant and severe ...
Jan 28, 2023•39 min•Ep. 978
TWiV covers a study of SARS-CoV-2 persistence at multiple sites in the human body, and the role of endogenous retroviruses in ageing and senescence. Hosts: Vincent Racaniello , Dickson Despommier , Alan Dove , Brianne Barker , and Angela Mingarelli Subscribe (free): Apple Podcasts , Google Podcasts , RSS , email Become a patron of TWiV! Links for this episode •Research assistant position at FDA ( pdf ) •Register for ASV 2023 • MicrobeTV Discord Server • Persistence of SARS-CoV-2 (Nature) •Endoge...
Jan 22, 2023•1 hr 45 min•Ep. 977
In his weekly clinical update Dr. Griffin discusses China reporting almost 60,000 Covid-related deaths after abrupt shift in policy, detection of SARS-CoV-2 IgA and IgG in human milk and breastfeeding infant stool 6 months after maternal COVID-19 vaccination, effect of Fluvoxamine vs placebo on time to sustained recovery in outpatients with mild to moderate COVID-19, hyperimmune globulin for severely immunocompromised patients hospitalized with COVID-19, long COVID outcomes at one year after mil...
Jan 21, 2023•42 min•Ep. 976
Daniela joins TWiV to discuss her career and her research on T cells, their role in infection with SARS-CoV-2, T cell epitopes and why a variant that evades T cell immunity is not likely to emerge. Hosts: Vincent Racaniello , Alan Dove , and Brianne Barker Guest: Daniela Weiskopf Subscribe (free): Apple Podcasts , Google Podcasts , RSS , email Become a patron of TWiV! Links for this episode •Research assistant position at FDA ( pdf ) •Register for ASV 2023 • Cross reactive T cells to SARS-CoV-2 ...
Jan 15, 2023•1 hr 38 min•Ep. 975
In his weekly clinical update Dr. Griffin discusses poliovirus returns to New York wastewater, COVID-19 is more widespread in animals than we thought, increasing ventilation reduces SARS-CoV-2 airborne transmission in schools, the use of carbon dioxide monitoring to assess ventilation at a national infectious diseases conference, effectiveness of the bivalent mRNA vaccine in preventing severe COVID-19 outcomes, 7-month duration of SARS-CoV-2 mucosal immunoglobulin-A responses and protection, and...
Jan 14, 2023•47 min•Ep. 974
Felicia joins TWiV to discuss her career and her research on human cytomegalovirus, which infects most of us for our entire lives yet mainly causes disease in the immunosuppressed. Hosts: Vincent Racaniello , Alan Dove , and Brianne Barker Guest: Felicia Goodrum Subscribe (free): Apple Podcasts , Google Podcasts , RSS , email Become a patron of TWiV! Links for this episode •Research assistant position at FDA ( pdf ) • The loss of binary (Curr Clin Micro Rep) • Virology in Peril (mBio) •Letters r...
Jan 08, 2023•1 hr 48 min•Ep. 973
In his weekly clinical update Dr. Griffin discusses the infectiousness of SARS-CoV-2 breakthrough infections and reinfections during the Omicron wave, virological characteristics of the SARS-CoV-2 XBB variant derived from recombination of two Omicron subvariants, antibody evasion properties of rising SARS-CoV-2 BQ and XBB subvariants, comparative effectiveness of third doses of mRNA-based COVID-19 vaccines in US veterans, time to negative PCR conversion among high-risk patients with mild-to-mode...
Jan 07, 2023•42 min•Ep. 972
In the first epitope of 2023, TWiV reviews our coverage of virology in 2022, including favorite story arcs, episodes, show titles, and much more. Hosts: Vincent Racaniello , Dickson Despommier , Rich Condit , Kathy Spindler , and Brianne Barker Subscribe (free): Apple Podcasts , Google Podcasts , RSS , email Become a patron of TWiV! Links for this episode Our favorite 2022 virology stories: •Vincent: Paul Offit on bivalent boosters (TWiV 917 , 942 , Special ) •Dickson: Interviews with Paul Offit...
Jan 01, 2023•1 hr 54 min•Ep. 971
In his weekly clinical update Dr. Griffin discusses modelling the adjustment of COVID-19 response and exit from dynamic zero-COVID in China, canine real-time detection of SARS-CoV-2 infections in the context of a mass screening event, two masks can be worse than one: N95 respirator failure caused by an overlying face mask, airflow patterns in double-occupancy patient rooms may contribute to roommate-to-roommate transmission of severe SARS-CoV-2, clinical validation of a novel T-Cell receptor seq...
Dec 31, 2022•52 min•Ep. 970
Carl Zimmer visits the Incubator to record a wide-ranging conversation about COVID-19, including origins, vaccines, public health responses, and impact on society. Host: Vincent Racaniello Guest: Carl Zimmer Subscribe (free): Apple Podcasts , Google Podcasts , RSS , email Become a patron of TWiV! Intro music is by Ronald Jenkees Send your virology questions and comments to twiv@microbe.tv...
Dec 28, 2022•48 min•Ep. 969
TWiV reviews eukaryotic viruses recovered from ancient permafrost, a mistake made by scientists on Omicron origins, and close relatives of MERS-CoV from bats that bind ACE2 for entry into cells. Hosts: Vincent Racaniello , Dickson Despommier , Alan Dove , Rich Condit , and Brianne Barker Subscribe (free): Apple Podcasts , Google Podcasts , RSS , email Become a patron of TWiV! Links for this episode Support MicrobeTV with a Spike t-shirt ( Vaccinated.us ) with promo code MicrobeTV Positions with ...
Dec 25, 2022•1 hr 49 min•Ep. 698
In his weekly clinical update Dr. Griffin discusses how immunological dysfunction persists for 8 months following initial mild-to-moderate SARS-CoV-2 infection, prevalence of SARS-CoV-2 and influenza coinfection and clinical characteristics among children and adolescents aged Subscribe (free): Apple Podcasts , Google Podcasts , RSS , email Become a patron of TWiV! Links for this episode Immunological dysfunction persists for 8 months following SARS-CoV-2 infection (Nature) Prevalence of SARS-CoV...
Dec 24, 2022•51 min•Ep. 967
Vincent travels to the NIH campus to speak with Jeffery Taubenberger about his career, the 1918 influenza pandemic, deciphering the genome sequence of the virus from tissues of disease victims and using it to rescue infectious virus. Host: Vincent Racaniello Guest: Jeffery Taubenberger Subscribe (free): Apple Podcasts , Google Podcasts , RSS , email Become a patron of TWiV! Links for this episode Support MicrobeTV with a Spike t-shirt ( Vaccinated.us ) with promo code MicrobeTV Influenza 1918 pa...
Dec 23, 2022•1 hr 52 min•Ep. 966
Brazilian infectious diseases physician Esper Kallas returns to TWiV to discuss the state of viral diseases in his country, including those cause by Zika, dengue, and yellow fever viruses, MPOX, and SARS-CoV-2. Hosts: Vincent Racaniello and Alan Dove Guest: Esper Kallas Subscribe (free): Apple Podcasts , Google Podcasts , RSS , email Become a patron of TWiV! Links for this episode Support MicrobeTV with a Spike t-shirt ( Vaccinated.us ) with promo code MicrobeTV International Scientific Coordina...
Dec 18, 2022•1 hr 35 min•Ep. 965
In his weekly clinical update Dr. Griffin discusses Dr. Griffin discusses progress toward poliomyelitis eradication in Afghanistan, reduced risk for Mpox after receipt of 1 or 2 doses of JYNNEOS vaccine compared with risk among unvaccinated persons, reduced airborne transmission of SARS-CoV-2 BA.1 Omicron virus in Syrian hamsters, authorized updated (Bivalent) COVID-19 vaccines for children down to 6 months of age, low neutralization of SARS-CoV-2 Omicron BA.2.75.2, BQ.1.1, and XBB.1 by parental...
Dec 17, 2022•42 min•Ep. 964
Vincent travels to Cornell University to speak with Gary Whittaker about regulation by proteolytic processing of the fusion activity of the spike protein of SARS-CoV-2, and feline coronavirus transmission, replication and disease. Hosts: Vincent Racaniello Guest: Gary Whittaker Subscribe (free): Apple Podcasts , Google Podcasts , RSS , email Become a patron of TWiV! Links for this episode SARS-CoV-2 spike and its furin cleavage site (Lancet Microbe) TMPRSS2 inhibitor blocks SARS-CoV-2 reproducti...
Dec 14, 2022•53 min•Ep. 963
Paul Offit returns to TWiV to discuss why the bivalent booster dosing story should be a cautionary tale of how not to move forward in this pandemic. Hosts: Vincent Racaniello and Rich Condit Guest: Paul Offit Subscribe (free): Apple Podcasts , Google Podcasts , RSS , email Become a patron of TWiV! Links for this episode Antibody responses to bivalent booster (bioRxiv) Immunogenicity of bivalent vaccine (bioRxiv) Timestamps by Jolene . Thanks! Intro music is by Ronald Jenkees Send your virology q...
Dec 12, 2022•30 min
Astrophysicist Chiara Mingarelli joins TWiV to discuss her career and her work using pulse timing arrays to study the gravitational wave background, ripples in the fabric of spacetime that are caused by events such as the merging of black holes. Hosts: Vincent Racaniello , Rich Condit , Kathy Spindler , and Angela Mingarelli Guest: Chirara Mingarelli Subscribe (free): Apple Podcasts , Google Podcasts , RSS , email Become a patron of TWiV! Links for this episode Support MicrobeTV with a Spike t-s...
Dec 11, 2022•1 hr 54 min•Ep. 962
In his weekly clinical update Dr. Griffin discusses Mpox (formerly monkeypox) in women: epidemiological features and clinical characteristics of mpox cases in Spain, April to November 2022, triage of patients with Ebola virus disease, SARS-CoV-2 serology and self-reported infection among adults, serological markers of SARS-CoV-2 infection; anti-nucleocapsid antibody positivity may not be the ideal marker of natural infection in vaccinated individuals, sensitivity of anti-SARS-CoV-2 nucleocapsid ...
Dec 10, 2022•28 min•Ep. 961
Dan Wilson of Debunk the Funk joins TWiV to explain why he decided to take on science misinformation and how he critiques people who promulgate incorrect information. Hosts: Vincent Racaniello , Dickson Despommier , Rich Condit , and Brianne Barker Guest: Dan Wilson Subscribe (free): Apple Podcasts , Google Podcasts , RSS , email Become a patron of TWiV! Links for this episode Support MicrobeTV with a Spike t-shirt ( Vaccinated.us ) with promo code MicrobeTV International Scientific Coordinator ...
Dec 04, 2022•2 hr 10 min•Ep. 960
In his weekly clinical update Dr. Griffin discusses effectiveness of influenza vaccination of pregnant women for prevention of maternal and early infant Influenza-associated hospitalizations in South Africa, a multivalent nucleoside-modified mRNA vaccine against all known influenza virus subtypes, single and 2-dose vaccinations with modified vaccinia Ankara-Bavarian Nordic induce durable B cell memory responses comparable to replicating smallpox vaccines, whether the risk of still and preterm bi...
Dec 03, 2022•48 min•Ep. 959
The TWiV team reveals a variant SARS-CoV-2 that emerged in deer with deer-to-human transmission, and hybrid virus particles produced by co-infection with influenza virus and respiratory syncytial virus particles. Hosts: Vincent Racaniello , Dickson Despommier , Alan Dove , Kathy Spindler, and Brianne Barker Subscribe (free): Apple Podcasts , Google Podcasts , RSS , email Become a patron of TWiV! Links for this episode Support MicrobeTV with a Spike t-shirt ( Vaccinated.us ) with promo code Micro...
Nov 27, 2022•1 hr 49 min•Ep. 958
In his weekly clinical update Dr. Griffin discusses human monkeypox virus infection in women and non-binary individuals during the 2022 outbreaks, changes in population immunity against infection and severe disease from SARS-CoV-2 Omicron variants in the United States, updates on COVID-19–related mortality, impact of community masking on COVID-19, effectiveness of the COVID-19 vaccines against hospitalization with Omicron sub-lineages BA.4 and BA.5 in England, cardiovascular outcomes after Tixag...
Nov 26, 2022•43 min•Ep. 957
Cedric and John join TWiV to discuss their research showing that a human protein derived from an ancient retrovirus infection can protect against infection by other retroviruses. Hosts: Vincent Racaniello , Rich Condit , and Kathy Spindler Guest: Cedric Feschotte and John Anthony Frank Subscribe (free): Apple Podcasts , Google Podcasts , RSS , email Become a patron of TWiV! Links for this episode Support MicrobeTV with a Spike t-shirt ( Vaccinated.us ) with promo code MicrobeTV Cedric on TWiV 93...
Nov 20, 2022•1 hr 41 min•Ep. 956