The Department of Home Affairs has an excellent resource in Ukrainian, in regards to COVID-19, including fact sheets and coverage of different topics such as the SafeApp and so on.
You can read it here: https://covid19inlanguage.homeaffairs.gov.au/uk/zdorovya
SBS On Demand also has a video in the Ukrainian language, which helps explain COVID-19:
Watch it here:
https://www.sbs.com.au/ondemand/video/1731609155830/coronavirus-explained-in-ukrainian