In a guest post in the Global Health Technologies Coalition’s “Breakthroughs” blog, Ambassador Michael Marine, CEO of the Sabin Vaccine Institute, writes about the institute’s 20th Anniversary Scientific Symposium event. “In a fitting way to kick off World Immunization Week, several hundred people gathered Friday, April 25th to celebrate significant achievements in vaccinology over the past two decades and to examine solutions for overcoming remaining hurdles at the Sabin Vaccine Institute’s (Sabin) 20th Anniversary Scientific Symposium,” he writes, summarizing speeches made at the event and concluding, “With 20 years of achievements behind us, Sabin looks forward to many years ahead filled with more success in reducing needless human suffering” (4/30).