Helpful websites:
https://www.mind.org.uk/information-support/coronavirus-and-your-wellbeing/
https://youngminds.org.uk/blog/what-to-do-if-you-re-anxious-about-coronavirus/
https://www.helpguide.org/articles/anxiety/coronavirus-anxiety.htm
https://www.teenvogue.com/story/coronavirus-anxiety
https://www.drugwatch.com/health/students/
https://www.drugwatch.com/health/mental-health/how-to-deal-with-anxiety/
The WJEC have developed a collection of handy sample Knowledge Organisers to support the delivery of the learning of a range of qualifications.
They can be used to aid revision, or as a starting point for creating your own.