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TWiV 903: COVID-19 clinical update #116 with Dr. Daniel Griffin
In COVID-19 clinical update #115, Dr. Griffin discusses croup association with infection surge, rhinovirus co-circulation in children, shedding following vaccination, high vaccine efficacy in children 6 mo-5 yr, vaccine protection for hospitalized patients, convalescent plasma as post-exposure prophylaxis, real-world effectiveness of PAXLOVID, effectiveness of PAXLOVID in reducing hospitalization, infection rebound after PAXLOVID, relapse of symptomatic infection after PAXLOVID, remdesivir and bebtelovimab fact sheets for providers, guidelines on usage of anticoagulation drugs, long covid symptoms after vaccina...
Source: This Week in Virology - MP3 Edition - May 28, 2022 Category: Virology Authors: Vincent Racaniello Source Type: podcasts

TWiV Special: Monkeypox clinical update with Dr. Daniel Griffin
In this special episode, Dr. Griffin answers questions about the recent cases of monkeypox including their origin, clinical presentation, diagnosis, treatment, and overall risk. Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Monkeypox multi-country outbreak risk assessment (pdf, ECDC) Monkeypox update (ProMedMail) Monkeypox virus genome sequences (Nextstrain) Intro music is by Ronald Jenkees Send your questions for Dr. Griffin to daniel@microbe.tv (Source: This Week in Virology - MP3 Edition)
Source: This Week in Virology - MP3 Edition - May 26, 2022 Category: Virology Authors: Vincent Racaniello Source Type: podcasts

TWiV 902: Autoantibodies drive severe COVID-19
TWiV reviews recent cases of monkeypox, presence of SARS-CoV-2 RNA but not infectious virus in feces, and the association of autoantibodies to interferons with severe COVID-19. 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 Monkeypox in MA (ProMed Mail) Possible monkeypox in NYC (NY Times) Occupational monkeypox, Wisconsin (Emerg Inf Dis) SARS-CoV-2 in feces (Nature) IFN autoantibodies and severe COVID-19 (PNAS) Letters read on TWiV 902 Timestamps by Jolene. T...
Source: This Week in Virology - MP3 Edition - May 22, 2022 Category: Virology Authors: Vincent Racaniello Source Type: podcasts

TWiV 901: COVID-19 clinical update #115 with Dr. Daniel Griffin
In COVID-19 clinical update #115, Dr. Griffin reviews cross-variant immunity without vaccination, EUA for boosters in 5-11 year olds, B.1.1.529 attack rate, scent dogs, Omicron and pets, Paxlovid, Veklury, Fluvoxamine, antigen positivity after isolation, inflammasome activation and severe disease, and GI persistence and fecal shedding. Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Limited cross-variant immunity without vaccination (Nature) EUA for boosters in 5-11 year olds (FDA) Stages of COVID-19 (AIDS Rev) B.1.1.529 attack rate in Australia (JID) Sce...
Source: This Week in Virology - MP3 Edition - May 21, 2022 Category: Virology Authors: Vincent Racaniello Source Type: podcasts

TWiV 900: Burning down the mouse
TWiV celebrates 900 episodes, Vincent gives the Richard R. Ernst lecture, and we discuss why inflammasome activation in infected macrophages drives severe COVID-19. Hosts: Vincent Racaniello, 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 Richard R. Ernst Lecture Infected macrophages drives severe COVID-19 (Nature) Timestamps by Jolene. Thanks! Weekly Picks Brianne – The Milky Way’s Black Hole Comes to Light Kathy – River dolphins playing with anaconda Rich – Smallpox vaccination techniq...
Source: This Week in Virology - MP3 Edition - May 15, 2022 Category: Virology Authors: Vincent Racaniello Source Type: podcasts

TWiV 899: COVID-19 clinical update #114 with Dr. Daniel Griffin
In COVID-19 clinical update #114, Dr. Griffin discusses early treatment with ivermectin, procalcitonin not a reliable biomarker, vaccine in 6-11 year olds, FDA limits use of Janssen vaccine, does site of vaccine booster matter, sniffer dogs, monoclonals for hospitalized patients, risk assessment for public events, Paxlovid eligibility, and persistence of pediatric anosmia. Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Effects of early treatment with Ivermectin (NEJM) Procalcitonin not a reliable biomarker (IDSA) Evaluation of vaccine in children 6 t...
Source: This Week in Virology - MP3 Edition - May 14, 2022 Category: Virology Authors: Vincent Racaniello Source Type: podcasts

TWiV 898: Immunity is skin deep
TWiV explains why the concept of herd immunity might not apply to COVID-19, and the observation that smallpox vaccination causes an increase in skin bacteria that promote pathology and influence the immune response. Hosts: Vincent Racaniello, Rich Condit, Kathy Spindler, and Brianne Barker Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Herd immunity may not apply to COVID-19 (J Inf Dis) Smallpox vaccination increases skin bacteria (PLoS Path) The invinceable TWiV (TWiV 145) By the pricking of my thumbs… (TWiV 284) Letters read on TWiV 898 Timestamps b...
Source: This Week in Virology - MP3 Edition - May 8, 2022 Category: Virology Authors: Vincent Racaniello Source Type: podcasts

TWiV 897: COVID-19 clinical update #113 with Dr. Daniel Griffin
In COVID-19 clinical update #113, Dr. Griffin discusses tocilizumab use in hospitalized Patients, IL-6 inhibitors and mortality, Baricitinib in hospitalized patients, post-infection neurological sequelae, comparative effectiveness of Pfizer and Moderna vaccines, phase 2/3 study of Paxlovid, infection relapse following Paxlovid, pre-hospital administration of Remdesivir, and hospitalization with different variants. Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Timing of Tocilizumab Use in Hospitalized Patients (NIH) Interleukin-6 inhibitors redu...
Source: This Week in Virology - MP3 Edition - May 7, 2022 Category: Virology Authors: Vincent Racaniello Source Type: podcasts

TWiV 896: Memory B cells, the way we were
TWiV explains a study of how climate change is predicted to increase cross-species viral transmission risk, and increased memory B cell potency and breadth after a SARS-CoV-2 mRNA vaccine boost. Hosts: Vincent Racaniello, Dickson Despommier, and Amy Rosenfeld Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Climate change and viral zoonosis risk (Nature) COVID-19 mRNA boost effect on memory B cells (Nature) Letters read on TWiV 896 Timestamps by Jolene. Thanks! Weekly Picks Dickson – Toots Thilelemans Amy – Largest comet ever identified Vincent – Sc...
Source: This Week in Virology - MP3 Edition - May 1, 2022 Category: Virology Authors: Vincent Racaniello Source Type: podcasts

TWiV 895: COVID-19 clinical update #112 with Dr. Daniel Griffin
In COVID-19 clinical update #112, Dr. Griffin reviews seroprevalence of infection-induced antibodies, Moderna filing for vaccine authorization in young children, public health impact of vaccines in US, FDA approval of first treatment for young children, phase 2 data for Sabizabulin, and post infection inflammation. Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Seroprevalence of Infection-Induced Antibodies (CDC) Authorization for Vaccine in Young Children Filed (Moderna) Public Health Impact of Vaccines in US (BMJ) FDA authorizes first approved t...
Source: This Week in Virology - MP3 Edition - April 30, 2022 Category: Virology Authors: Vincent Racaniello Source Type: podcasts

TWiV 894: Dinner with the TMPRSS family
TWiV explains what is known about cases of acute, severe hepatitis of unknown origin in children, and discovery of an inhibitor of TMPRSS2 protease that blocks SARS-CoV-2 infection. Hosts: Vincent Racaniello, Alan Dove, Kathy Spindler, and Brianne Barker Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Severe hepatitis in children (WHO) TMPRSS2 inhibitor (Nature) Omicron less dependent on TMPRSS2 (TWiV 879) Letters read on TWiV 894 Timestamps by Jolene. Thanks! Weekly Picks Brianne – Apple AirTag Kathy – Dental art/sculpture/mobile/chandelier Alan �...
Source: This Week in Virology - MP3 Edition - April 28, 2022 Category: Virology Authors: Vincent Racaniello Source Type: podcasts

TWiV 893: Yellow fever virus escapes antibodies
Kartik, Denise, and Gorka join TWiV to discuss their finding that changes in the surface glycoprotein of South American yellow fever virus lead to reduced neutralization by antibodies induced by the vaccine, which is derived from an African isolate. Hosts: Vincent Racaniello, Dickson Despommier, and Brianne Barker Guests: Kartik Chandran, Denise Haslwanter, and Gorka Lasso Cabrera Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Prometheus project (TWiV 578) Reduced neutralization of South American yellow fever virus (Cell Host Microbe) Letters read on TW...
Source: This Week in Virology - MP3 Edition - April 24, 2022 Category: Virology Authors: Vincent Racaniello Source Type: podcasts

TWiV 892: COVID-19 clinical update #111 with Dr. Daniel Griffin
In COVID-19 clinical update #111, Dr. Griffin discusses vaccine coverage and mortality in Hong Kong, immune response to boosters in kids, hospitalization of kids, breath based diagnostic test, viral co-infections, bivalent mRNA vaccine, intramuscular Evusheld, and global long COVID. Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Vaccine coverage and mortality, Hong Kong (MMWR) Kids behind on routine vaccinations (Politico) Immune response to booster, 5-11 year olds (Pfizer) Children and vaccination (AAP) Hospitalization of 5-11 year olds (MMWR) Test usin...
Source: This Week in Virology - MP3 Edition - April 23, 2022 Category: Virology Authors: Vincent Racaniello Source Type: podcasts

TWiV 891: LLOV in the time of Ebola
Elke, Adam, and Gabor join TWiV to discuss their work on Lloviu virus, a filovirus, including recovery of infectious virus from a DNA copy of the genome and from Schreiber’s bats in Hungary. Hosts: Vincent Racaniello, Rich Condit, Kathy Spindler, and Brianne Barker Guests: Elke Muhlberger, Adam Hume, and Gabor Kemenesi Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode Elke on TWiV 200 and Threading the NEIDL Infectious Lloviu virus from bats in Hungary (Nat Commun) Infectious Lloviu virus from DNA (PloS Path) Letters read on TWiV 891 Timestamps by Jolene...
Source: This Week in Virology - MP3 Edition - April 21, 2022 Category: Virology Authors: Vincent Racaniello Source Type: podcasts

TWiV 890: Looking into a booster crystal ball
This episode of TWiV is focused on COVID-19 vaccines and antibodies: who should get boosters, whether a variant matched mRNA vaccine is superior to a historical vaccine, and how the interval between vaccination and infection influences the quality of the antibody response. Hosts: Vincent Racaniello, Dickson Despommier, Rich Condit, and Brianne Barker Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode What next for COVID-19 boosters? (NEJM) Boosting with historical or variant mRNA vaccines (Cell) Vaccination-infection interval determines antibody breadth (Ce...
Source: This Week in Virology - MP3 Edition - April 17, 2022 Category: Virology Authors: Vincent Racaniello Source Type: podcasts