Megan Coffee, MD, PhD, (NY, NY) is a faculty member at the Grossman School of Medicine at New York University Hospital (NYU). She is an attending physician in infectious diseases at Bellevue Hospital in NYC and also teaches on communicable diseases in humanitarian crises at Columbia University. She collaborates with a team at NYU to better predict disease severity in COVID, while also using machine learning to better recognize disease transmission in advance and study vaccine hesitancy as well as modeling ventilation. Sharon Perkins, RN (Medford, NJ) is the co-author of more than 10 Dummies titles including Pregnancy For Dummies, Healthy Aging For Dummies, Dad's Guide to Baby's First Year For Dummies, and most recently, Getting Pregnant For Dummies.