Answer:
DNA-based technology.
Step-by-step explanation:
In response to this public health crisis, researchers in the Precision ... who are at greatest risk of developing coronavirus disease 2019 ... with preexisting medical conditions appear to be more vulnerable to ... of vaccine doses, adjuvants can be the answer as they enhance the ... Although progress in vaccine technology has the potential to prevent illness and ... “vaccine revolution” and attempts to answer these questions, which are ... In addition, some common vaccine-preventable diseases such as influenza and ... and the ability to sequence DNA—ushered in the era of genetic engineering., ...