Laurie Garrett, author of The Coming Plague, joins TWiV for a wide-ranging discussion of infectious disease and public health, including emerging infections, the role of wildlife markets in spillovers, and missteps in handling the COVID-19 pandemic.

Jenny writes: Hello Dr Griffin, I  got the J&J vaccine back in March. Recently I heard on the news that the J&J vaccine is less effective against the Delta variant than any two-dose vaccines. I’m…

David Quammen writes: Vincent, I just finished listening (a little belatedly, because of drinking from the firehose) to your May 30 TWIV with Bob Garry. I spoke with him several months ago too, but your…

Mark writes: Dear Dr. Griffin:  I was just wondering if you have seen any cases of PAMM as a vascular stage sequela of SARS-COV2 infection in your practice?  Best;  MarkĀ  Chaim writes: Hi Dr. Griffin,…

On this episode of TWiV, Novavax COVID-19 vaccine demonstrates 90% overall efficacy, preventing an antigenically disruptive change during growth of influenza virus vaccine in chicken eggs, and MIS-C is driven by loss of the gut mucosal barrier.

Monika writes: Hi all, thank you so much for all your good work and clear explanations. I have a Master of Science degree, but in a field far away from viruses, pandemics, medicine and vaccinations….

Patty writes: Any data and/ or I would like to know your thoughts on the effectiveness of the Pfizer Covid vaccine on patients who receive IV Ocrevus to modulate multiple sclerosis symptoms. Thank you very…

Pamela writes: Hello, As one of the co-signers of the letter to Science asking for increased investigation into the origins of SARS-CoV-2, I want to make two points: first, thanks very much for the two…

David joins TWiV to relate how his near-death experience with Castleman’s disease motivated him to found the Center for Cytokine Storm Treatment & Laboratory and the CORONA project to identify and track all treatments reported for COVID-19 in an open-source data repository.

Kevin writes: Daniel,  I have appreciated the calm level headedness during this whole time. I look forward to your weekly updates more than I should in many ways. My son is 12 and we got…