| Name | Info | Provider | Link |
|---|---|---|---|
| COVID-19 (Coronavirus Disease 2019) | free resource | MedlinePlus Health Information | https://medlineplus.gov/covid19coronavirusdisease2019.html |
| free resource | PubMed Central | https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/34486513/ | |
| free resource | Europe PubMed Central | https://europepmc.org/abstract/MED/34486513 | |
| subscription/membership/fee required | Cambridge University Press | https://www.cambridge.org/core/product/identifier/S0899823X21003950/type/journal_article |