On January 27, in a virtual discussion with Salkexcellerators, Professor and Director Susan Kaech and Professor Gerald Joyce gave their expert view on the underlying science of the vaccines being deployed in the fight against COVID-19 and how the immune system responds to the vaccine to protect against infection. Salkexcellerators are an extraordinary group of community members, entrepreneurs, and business professionals who share a passion for supporting and learning about Salk’s recent discoveries.