Cancer vaccines: The next generation

The field of cancer vaccines is as vibrant as ever. Despite pessimism, considerable advances are being made on a regular basis. Success stories continue to be published and newer, exciting and, perhaps, more potent strategies are being discovered frequently. Over the past two decades, this enormous effort has led to a shifting of how we think of vaccines. Although vaccines are not a standard of care, we have learned significant lessons that will continue to drive the field.