Several global health and child development experts, children's hospitals, authors, children's book publishers and more have partnered to produce books designed especially for children that you can view or download free. These materials can be comfortable conversation starters to talk to young children about viruses, illness, and good habits for wellness. For an even more comprehensive listing of free e-books in multiple languages for children about the Coronavirus/COVID-19 see the New York City Department of Education listing here. They have collected books from all over the world in many different languages.
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For more ideas to help keep children hearing and enjoying great stories, even when they are unable to visit a library, or are not at school, there are themed online storytimes available from the Indianapolis Public Library here. These themed storytimes use many of the video read alouds on 100+ Free Video Read Alouds and 100 MORE Free Video Read Alouds and pair them with activities, printables, and other online resources for @home fun, or, if you are a teacher, for @home e-learning fun.