From the discovery of the Polio vaccine to the breakthrough in mRNA vaccines for COVID-19, this exploration of scientific inquiry celebrates the greatest developments to date in vaccine science. Get to know the physicians, scientists, and other researchers responsible for these breakthroughs in medicine, and explore the ups, the downs, and the eureka moments that are science in action. Mayo Clinic Press Kids creates empowering health and wellness content in partnership with pediatric experts. Proceeds from the sale of every book go to benefit important medical research and education at Mayo Clinic.