Based on ethical concerns, the situation around Celine could've been improved if researchers ensued that she understood what was happening in the HIV research.
Ethics can be defined as a set of written and unwritten standards, principles, values or rules of moral conduct that are established to guide human behaviors.
This ultimately implies that, ethics is a reflection that is primarily based on identifying what is universally considered to be "good or bad," "right or wrong," and "just or unjust" with respect to human behaviors.
Based on ethical concerns, the situation around Celine could've been improved if the researchers had ensue that she understood what was happening in the HIV research.
Read more on ethics here: https://brainly.com/question/24277955
