In a new article for Health Affairs Forefront – entitled “The Future of COVID-19 Vaccine Development” -- @Florian_Krammer, the Mount Sinai Professor in Vaccinology, provides a succinct guide to challenges and choices that lie just ahead – including the possible deployment of annual boosters and the development of mucosally administered vaccines. He writes: “There is a continued need for vigilance, research, prevention, and proactive strategies.”