This Week in Virology

Shane Crotty returns to TWiV to review the immunology of COVID-19, including differences between infection and vaccination, increased breadth of antibodies after infection followed by vaccination, th…

The meteorologicomaniacs discuss the COVID-19 pandemic global death toll, effectiveness of vaccines against the delta variant, and how analysis of ancient viral DNA reveals that two pathogenic human …

In COVID-19 clinical update #78, Daniel Griffin covers ivermectin, convalescent plasma, disease in pregnant women, children and COVID, delta outbreak in an elementary school, validation of at-home an…

TWiV reviews models for determining correlates of neutralizing antibody protection against COVID-19, and for identifying key vector and host species that drive transmission of zoonotic pathogens.

Hos…

The TWiV team explains what the Biden report on SARS-CoV-2 origins did not: evidence that the virus came from Nature, not a lab; and reveals new coronaviruses in rodents that inhabit populated areas …

In COVID-19 clinical update #77, Daniel Griffin discusses children becoming increasingly infected, virological characteristics of infections in vaccinated health care workers, transmission dynamics a…

Paul and Theodora return to TWiV to explain their research on determining the number of neutralizing epitopes on the SARS-CoV-2 spike that are recognized by antibodies, and engineering of a polymutan…

In COVID-19 clinical update #76, Daniel Griffin covers association of age and pediatric household transmission, rapid antigen testing in remote communities, shedding of infectious virus in vaccinated…

TWiV summarizes cases of arbovirus disease during 2019 in the US, and explains a study that estimates infectiousness throughout the SARS-CoV-2 course of infection.

Hosts: Vincent Racaniello, Dickson …

In COVID-19 clinical update #75, Daniel Griffin reviews vaccine effectiveness against transmission, modeling effectiveness of daily antigen tests, updated CDC guidance for fully vaccinated, risk of i…

Jeffrey Shaman returns to TWiV to explain how epidemiologists measure SARS-CoV-2 movement among humans, including calculation of the reproductive index, secondary transmission, and what factors affec…

TWiV reviews SARS-CoV-2 infection of wild white-tailed deer in the US, mRNA vaccine-mediated protection by spike-specific T cells before detection of neutralizing antibodies, and recovery from SARS-C…

In COVID-19 clinical update #74, Daniel Griffin covers infections in vaccinated individuals, expansion of Regeneron monoclonal antibody cocktail for prophylaxis, neutralization of variants by antibod…

TWiV reviews a leaked CDC document on virulence and spread of the delta variant, and how anti-alphavirus antibodies that do not neutralize infection can nevertheless protect mice from disease.

Hosts:…

Kiran joins TWiV to discuss the findings of a team at Columbia University Medical Center on COVID-19 neuropathology, and the conclusion that SARS-CoV-2 does not reproduce in the central nervous syste…

In COVID-19 clinical update #73, Daniel Griffin reviews updated mask guidance from CDC, infections in public school district employees, effectiveness of vaccines against delta variant, antibody respo…

TWiVsters review off-season epidemics of respiratory syncytial virus in Australia after easing of COVID-19 restrictions, and impaired innate immune responses in upper respiratory tract cells from pat…

In this special episode, Daniel Griffin answers listener questions on COVID-19 vaccines, vaccine misinformation, long COVID, masking and distancing, school safety, and much more.

Hosts: Daniel Griffi…

Moriah and Joseph join the nearly complete TWiV team to discuss their work on genetic variation and adaptability in herpes simplex virus, and how rotavirus infection disrupts intracellular calcium ho…

In COVID-19 clinical update #72, Daniel Griffin covers long term symptoms in children, outcomes for MIS-C, recent guidance from the American Academy of Pediatrics, a large well traced outbreak of del…