General resources about Covid-19:
WHO printable poster guidelines for the public - Scroll all the way down to find the posters.
Evidence-based toolkit with video IECs by digitalMEdIC (Stanford)
Resources for children:
UNICEF has created a site dedicated to responding to the crisis.
Keeping Children Safe has assembled resources on the crisis and child safety in this article.
Official Mygov posters for Coronavirus awareness in multiple vernacular languages
Precautionary Measures videos about Covid-19 in multiple vernacular languages
Relief packets via government schemes awareness resources in multiple vernacular languages
Covid-19 FAQ's in Hindi by Pratham