Pandemic's impact on human behavior

How does pandemics like COVID 19 pandemic alter human behaviors and worldviews?

Does it make people more selfish or cooperative? When one’s survival is threatened, they may behave more selfishly (e.g., hoarding of critical resources), nudging others to behave selfishly as well. On the other hand, the crises can bring good nature of people out. Ayers2021how studies the pandemic’s impact on cooperation through longitudinal surveys.