As the coronavirus crisis continues to unfold worldwide and with no vaccine in sight, one thing prevails: uncertainty.

That has sent thousands of shoppers in Japan and abroad into a grocery-hoarding frenzy, including panic-buying of toilet paper and brawls over face masks.

But fears over the pandemic can be managed and psychologists and human behavior experts are calling for policymakers to be more transparent to help the public cope with distress over the outbreak and offer tips for navigating anxieties.