We just got good news about Pfizer's COVID-19 vaccine

Hello,Welcome to Insider Healthcare. I'm Lydia Ramsey Pflanzer, and this week in healthcare news:We got good news about Pfizer's shot while manufacturing problems may delay shipments of J&J's jab;How scientists are rethinking treatments for Alzheimer's disease;Inside the race to disrupt primary care.If you're new to this newsletter, sign up here. Tips, comments? Email me at lramsey@insider.com or tweet @lydiaramsey125. Now, let's get to it...GettyIt'll be too late for AstraZeneca's vaccine i