Booster Shots for COVID-19 Are Now Almost Certain and Annual Vaccinations Likely According to Leading Scientist Involved in Development of Pfizer / BioNTech Coronavirus Vaccine — Start Ratcheting Up Earnings Estimates for Rite Aid ( RAD ) Current Fiscal Year and Beyond Now

https://www.cnbc.com/2021/04/21/scientist-who-helped-develop-pfizer-biontech-covid-vaccine-agrees-third-shot-is-needed-as-immunity-wanes.html