TWiV discusses efficacy of this season’s flu vaccine, efficacy of Pfizer RSV vaccine, nOPV2 in the US, dengue in Peru, measles in Michigan and Indiana, how coordinated inflammatory responses dictate control of Marburg virus by reservoir bats, and tRNA acquisition in phages driven by degradation of host translational machinery.

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.

The TWiVziks present everything you want to know about Zika virus, including association of infection with microcephaly and Guillain-Barré syndrome, transmission, epidemiology, and much more.