Immune continues a discussion of the immune response to infection with SARS-CoV-2, including vaccines and immunity, effects of BCG and OPV, immunity passports, and answers to listener questions. Hosts: Vincent Racaniello, Stephanie Langel, and Cynthia Leifer Guest: Brianne Barker Subscribe (free): iTunes, Google Podcasts. RSS, email Become a patron of Immune! Links for this episode How long will a vaccine really take? (NYTimes) Humoral immunity in NYC COVID-19 patients (medRxiv) D614G is just a SNP (TWiEVO 55) Image credit Time stamps by Jolene. Thanks! Music by Steve Neal. Immune logo image by Blausen Medical. Send your immunology questions and comments to immune@microbe.tv