NewsSportsOpinionCalendarUSA TODAYObituariesE-EditionLegals Meet the Pfizer scientists who helped develop the COVID-19 vaccine in Rockland These 3 scientists recall long days, laser focus and a shared mission at the sprawling Pfizer R&D campus in Pearl River. Rockland/Westchester Journal News PEARL RIVER - A text of thanks from her former teacher at Spring Valley High School. A grandmother's first dose of vaccine. A TikTok video that showcased a testing kit during Pfizer's vaccine clinical trials. Those were moments that three scientists who worked on the COVID-19 vaccine at Pfizer's largest Research & Development hub realized their hard work was truly part of a mission to save the world.