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 affect transmission.
Christian Drosten returns to TWiV to provide an update on the COVID-19 situation in Germany, and general thoughts on testing, immunity, vaccines, therapeutics, epidemiology, reopening schools, and what will happen this fall.
Epidemiologist Adam Kucharski joins TWiV to discuss SARS-CoV-2, including R0, incubation period, herd immunity, asymptomatic infection, superspreaders, children as drivers of pandemics, and how this one will end.
Jeff Shaman returns to TWiV to explain why more SARS-CoV-2 testing and contact tracing is needed to stop the pandemic, insights on immunity and reinfection from seasonal CoVs, the problems with antibody tests, and what to expect in the coming months.
Coronavirus expert Ralph Baric joins TWiV to explain the virology and epidemiology of the recent zoonotic outbreak spreading across China and overseas.
In the second episode from the Karolinska Institute in Stockholm, Vincent speaks with Jan Albert, Petter Brodin, and Anna Smed Sörensen about their work on enterovirus D68, systems immunology, and human pulmonary viral infection and inflammation.
The TWiV team reveals that recent mumps virus outbreaks in the US are due to waning vaccine efficacy, and an intranasally delivered small interfering RNA that controls West Nile infection in the brain.
Sharon and Scott return to TWiV for a Zika virus update, including their work on viral evolution and spread, and whether pre-existing immunity to dengue virus enhances pathogenesis.
The TWiVerinoes discuss the potential for prion spread by plants, global circulation patterns of influenza virus, and the roles of Argonautes and a viral protein in RNA silencing in plants.
Vincent returns to the University of Glasgow MRC-Center for Virus Research and speaks with Emma, Gillian, and Adam about their ebolavirus experiences: caring for an infected patient, working in an Ebola treatment center in Sierra Leone, and making epidemiological predictions about the outbreak in west Africa.