Editor’s Note: Princess Dina Mired of Jordan is the president of the Union for International Cancer Control, a group that convenes cancer societies, patient groups, and ministries of health around the world to advocate for cancer control and capacity building, and formerly served as director general of the King Hussein Cancer Foundation. The views expressed in this commentary are her own. Read more opinion at CNN.

CNN  — 

Words cannot express how we all are beyond indebted to the health workers around the world. You are putting your lives at risk for the sake of saving all of us. You have given a new, profound meaning to the term “the ultimate sacrifice.”