The following is a list of recommended resources which explain Corona Virus and how to model good behavior while providing enough information so as not to increase anxiety about the situation.

Talking to Children: From Harvard Health:  

https://www.health.harvard.edu/blog/how-to-talk-to-children-about-the-coronavirus-2020030719111

Public Broadcasting Service:  

https://www.pbs.org/parents/thrive/how-to-talk-to-your-kids-about-coronavirus

Live Science: 

https://www.livescience.com/coronavirus-kids-guide.html

Kids Health:  

https://kidshealth.org/en/parents/coronavirus-how-talk-child.html

Centers for Disease Control:  

https://www.cdc.gov/coronavirus/2019-ncov/daily-life-coping/talking-with-children.html

Dr. Binocs Show:  

https://www.youtube.com/watch?v=R-JbDMYmAQM