Ask Dr. KevinNew parents and newborn with sickle cell disease — what now? by Dr. Kevin Williams, Chief Medical Officer for rare disease at Pfizer • June 23, 2019 For the last two years, I’ve been honored to talk with you about sickle cell disease (SCD) through this column, sharing important information and my perspectives as a medical professional. But now I wanted to change things a bit by…Read more →