TWiV reviews why children should be vaccinated against COVID-19, increased risk of infection with SARS-CoV-2 Beta, Gamma, and Delta variant compared to Alpha variant in vaccinated but not recovered individuals, and immune correlates of protection from the mRNA-1273 vaccine efficacy trial. Hosts: Vincent Racaniello, Dickson Despommier, and Brianne Barker Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiV! Links for this episode COVID-19 vaccines for children (Science) Risk of infection with variants (medRxiv) Immune correlates of mRNA-1273 (Science) Letters read on TWiV 835 Timestamps by Jolene. Thanks! Weekly Picks Dickson – Pee Wee Herman aka Paul Rubens Brianne – APOD: Pleiades Vincent – A History of Poliomyelitis by JR Paul Listener Picks Richard – Let’s talk about a familiar problem and a new tactic…. Sherri – Have the New Jab Intro music is by Ronald Jenkees Send your virology questions and comments to [email protected]