For the period of quarantine information providers give open access to some of their collections, especially to those dedicated to the materials about COVID-19 please see the list of such resources:

JSTOR resources during COVID-19 

JSTOR and participating publishers are making an expanded set of content freely available through June 30, 2020 to the participating institutions where students have been displaced due to COVID-19.

Dimensions present all relevant research on virus COVID-19

Novel Coronavirus Information Center - Elsevier’s free health and medical research on the novel coronavirus (SARS-CoV-2) and COVID-19

Emerald publishing gathered freely available research on COVID-19

Future Science Group suggests the latest updates on current research on this topic

Karger Publishers supports research in this area by providing free access to relevant  topic article package on Coronavirus

Free online courses from FutureLearn platform can be browsed by this link

Ukrainian Ministry of Healthcare prepared a portal with information about Coronavirus

World Health Organization resources on Coronavirus