Moral judgment is important in COVID-19 pandemic.

The nature of moral judgment is not only of longstanding philosophical interest, but also it is a matter of immediate practical concern. Currently, when the information, the advice, even the science and the sequela of the pandemic COVID-19 are all consistently and rapidly changing, it creates inconsistency in our decision making. Nevertheless, we lack of a detailed scientific understanding of how people make moral decisions. The letter is an effort aimed at understanding moral decision-making during the present pandemic of COVID-19.