Pfizer CEO: Third COVID-19 vaccine, annual booster shots likely scenario

"A likely scenario is that there will likely be a need for a third dose somewhere between six and 12 months [after the initial vaccination] and from there, there will be an annual revaccination." https://www.jpost.com/health-science/pfizer-ceo-vaccine-third-dose-annual-revaccinations-a-likely-scenario-665286