TWiV reviews Michael Worobey’s dissection of the early COVID-19 cases in Wuhan, and the discovery that herpesviruses assimilate cellular kinesin to produce motorized virus particles.

TWiV reviews an analysis of animal sales from Wuhan wet markets before the COVID-19 pandemic, control of dengue by release of Wolbachia-infected mosquitoes, and fatal dengue acquired in Florida.

In this episode, President Biden elevates his science advisor to his Cabinet, a review of the current flu season, the scientific goals of the WHO-convened Global Study of the Origins of SARS-CoV-2, and answers to listener questions.

Daniel Griffin provides a clinical report on COVID-19, followed by a review of the findings that children shed as much SARS-CoV-2 viral RNA from the respiratory tract as older patients, the lineage giving rise to SARS-CoV-2 has been circulating in bats in China for decades, and answers to listener questions.

The TWiV team returns this week to SARS-CoV-2019 coverage to review the latest epi curves, the fatality rate, furin cleavage site and receptor binding domain in the spike glycoprotein, related CoV recovered from pangolins, evidence that the virus did not escape from a laboratory, and many more questions sent in by listeners.