This is a really good story book for all pupils to support mental health and helping children to cope with the pandemic. It is produced by a collaboration of more than 50  humanitarian organizations, and is available in many languages.  It aims to help children understand and come to terms with Covid-19. 

https://interagencystandingcommittee.org/iasc-reference-group-mental-health-and-psychosocial-support-emergency-settings/my-hero-you