| The First 50 days of COVID-19: A Detailed Chronological Timeline and Extensive Review of Literature Documenting the Pandemic | "An article in 'Elsevier Public Health Emergency Collection' Surveying the Covid-19 Pandemic and its Implications. 2020 : 1–7. Published online 2020 Jul 24. doi: 10.1016/B978-0-12-824313-8.00001-2 (PMC7378494)" | 24-Jul-20 |
| A Timeline of COVID-19 Developments in 2020 | An article by the American Journal of Managed Care (AJMC) staff | January 2, 2021 |
| As scientists struggled to understand and quell COVID-19, a second pandemic of misinformation and political mayhem raged. | "An article in the Science journal: Science 18 Dec 2020: Vol. 370, Issue 6523, pp. 1395-1397 DOI: 10.1126/science.370.6523.1395" | 18-Dec-20 |
| Archived: WHO timeline - Covid-19 | An article in WHO website, last updated in July 2020 | 29-Jul-20 |
| Timeline of ECDS's response to Covid-19 | An article in the website of ECDS | 8-Dec-20 |