If you haven’t been wearing a mask regularly, now’s the time to start – and if you’re already in the habit, now’s the time to kick it

An immunologist explains how the vaccine trains your immune system to fight the coronavirus.

Special risks mean special care is needed, even as the vaccine becomes available.

Key advice you should still use, and continue to share, in the new year.

A behavioral scientist, who studies the power of living with purpose, discusses how to heal and grow in the new year.